Match ends, Arsenal 0, Manchester City 3.
Pep Guardiola secured his first trophy as Manchester City manager as they overpowered Arsenal to win the Carabao Cup in convincing fashion at Wembley.
City responded to Monday's shock FA Cup fifth-round defeat by League One Wigan Athletic in style as they swept aside Arsenal and now turn their attention to clinching the Premier League and continuing their Champions League campaign.
Sergio Aguero gave City an 18th-minute lead when he took full advantage of Arsenal defender Shkodran Mustafi's feeble challenge to latch on to keeper Claudio Bravo's goal-kick and loft a cool finish over David Ospina.
Arsenal were toothless apart from one early opening when Kyle Walker stopped Pierre-Emerick Aubameyang in the six-yard area and the contest was effectively over when man-of-the-match Vincent Kompany swept in Ilkay Gundogan's cross-shot just before the hour.
David Silva put the final flourish on City and Guardiola's day with a powerful shot past Ospina before City closed out the most routine of victories.
There was one contentious note which may draw further attention from the Football Association as Guardiola wore his trademark yellow ribbon, which he displays in support of imprisoned politicians in his native Catalonia, despite facing a charge from English football's governing body for "wearing a political message".
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- Reaction to Manchester City's Carabao Cup final victory
Kompany's character reaps rich reward
City manager Guardiola demonstrated his faith in the ability and influence of captain Kompany on his side when he was selected ahead of £47.5m John Stones at Wembley.
The 31-year-old Belgian centre-back was the mainstay and leader of the Manchester City side who claimed Premier League titles under Roberto Mancini and Manuel Pellegrini in 2012 and 2014 - but has waged a relentless battle against injuries in recent seasons.
In 2015-16, Kompany figured in only 22 of City's 59 games while in the following campaign he was involved in just 15 out of 56 - that is just 26.8%.
This term he has played in 13 out of 43 games but chose the Wembley stage to demonstrate exactly what he can still mean to Guardiola and City.
Kompany was at his imperious best, matching Aubameyang in a first-half race before brushing the Arsenal striker aside to snuff out a rare moment of danger.
And he was at the heart of the attacking action as City moved through the gears to exert complete control in the second half, seeing one shot deflected inches wide before reacting first to Gundogan's shot to turn in the crucial second.
Kompany celebrated like a man who has known the long, lonely hours searching for full fitness and was enjoying a moment of sweet elation.
He led from the back and at the front in a consummate performance.
Guardiola's new era leans on the old guard
This was the sort of day Manchester City's owners had in mind when they finally brought Guardiola to Etihad Stadium in the summer of 2016 - watching their side dominating at Wembley to secure his first trophy in England.
And while the 47-year-old has brought impetus, ideas and fresh young faces to City in the shape of forwards Leroy Sane and Gabriel Jesus, he has been careful to maintain and nurture the experienced heart of the side that brought the club's years in the wilderness to an end.
As well as Kompany, this EFL Cup victory was shaped by the predatory instincts of Aguero, still a world-class striker at 29. The Argentine set City on their way with his usual expertise as he took full advantage of flimsy defending from Arsenal's Mustafi.
And it was another member of the old guard, 32-year-old Silva, who provided his usual range of subtlety and creation in midfield, completing the win with a thumping finish across Ospina.
Guardiola's first silverware in England ushers in the new era for City - but he has wisely retained the battle-hardened core of the club's previous successes.
Weak Arsenal pay heavy price
If one moment summed up Arsenal's performance, it was the dismal manner in which Mustafi was left appealing limply for a foul after failing to deal with a routine long goal-kick from Bravo, a light-as-a-feather touch from Aguero paving the way for him to beat the onrushing Ospina.
Arsenal, quite simply, were overpowered with no answer to City's quality once a lacklustre first 45 minutes gave way to a second half in which Guardiola's side camped out in Gunners territory.
Lightweight, loose in possession and defensively weak, Arsenal were no match for City.
When the final whistle blew, the portion of Wembley where Arsenal's fans were housed was virtually deserted, many taking Silva's third goal as the signal to head for the exits and beat the rush home. Few could blame them as this was a painful experience.
This was a chastening afternoon for Wenger as another trophy hope was ended - faced with the cold, hard reality that Arsenal look light years behind this burgeoning, developing Manchester City.
Man of the match: Vincent Kompany (Manchester City)
'It was so important after FA Cup defeat' - what they said
Manchester City manager Pep Guardiola: "The first half was not good - too many mistakes with simple passes - but the second half we played with more courage, more personality. That is why we were outstanding after the break.
"It was so important we won this after going out of the FA Cup. Now we have to focus absolutely on the Premier League and trying to win the games we need to win the title and try and progress to the Champions League quarter-final.
"This win is not for me, it's for Manchester City."
Arsenal boss Arsene Wenger: "When you lose a game like that everything is questioned.
"But we played against a good side, you cannot say that we played against an average side. They dominate the Premier League and they have good players. It is difficult to come back."
Stats - Aguero is Europe's form striker in 2018
- Manchester City's 3-0 win over Arsenal is their biggest ever cup final victory, as well as the Gunners' biggest ever loss in a cup final.
- Manchester City have won the League Cup for a fifth time - only Liverpool (eight) have won it more often.
- Arsenal have lost six of their eight League Cup finals, including each of their last three. The Gunners are the first side to lose in three successive appearances in the League Cup final (2007, 2011 and 2018).
- City are one of four sides to lift the trophy on four successive League Cup final visits (Aston Villa, Liverpool and Manchester United).
- No manager has lost more League Cup finals than Arsene Wenger (in 2007, 2011 and 2018), level with Sir Alex Ferguson, who also won the trophy four times.
- Pep Guardiola has triumphed in seven of his previous eight major domestic and European finals, losing only to Real Madrid with Barcelona in the 2011 Copa del Rey final.
- Sergio Aguero has scored in each of his last five games against Arsenal. He has scored 15 goals in 13 appearances in 2018 - more than any other player in the top five European leagues.
- This was the biggest win by a Premier League team against another in a League Cup final since 2006 (Manchester United 4-0 Wigan), and biggest in a League Cup final at Wembley since 1996 (Aston Villa 3-0 Leeds).
Both sides meet again in the Premier League on Thursday at Emirates Stadium (19:45 GMT). City then host Chelsea on Sunday (16:00), with Arsenal at Brighton earlier in the day (13:30).
- 21ChambersBooked at 47minsSubstituted forWelbeckat 65'minutes
- 24BellerínBooked at 24mins
- 8RamseyBooked at 32minsSubstituted forIwobiat 73'minutes
- 18MonrealSubstituted forKolasinacat 26'minutes
- 10WilshereBooked at 88mins
- 4KompanyBooked at 80mins
- 25FernandinhoBooked at 36minsSubstituted forBernardo Silvaat 52'minutes
- 17De Bruyne
- 19SanéSubstituted forGabriel Jesusat 77'minutes
- 10AgüeroSubstituted forFodenat 89'minutes
- 20Bernardo Silva
- 33Gabriel Jesus
- Craig Pawson
- Shots on Target
Second Half ends, Arsenal 0, Manchester City 3.
Offside, Manchester City. Phil Foden tries a through ball, but Danilo is caught offside.
Attempt missed. Héctor Bellerín (Arsenal) right footed shot from outside the box is too high. Assisted by Jack Wilshere.
Substitution, Manchester City. Phil Foden replaces Sergio Agüero.
Jack Wilshere (Arsenal) is shown the yellow card.
Corner, Arsenal. Conceded by Nicolás Otamendi.
Vincent Kompany (Manchester City) wins a free kick in the defensive half.
Foul by Sead Kolasinac (Arsenal).
Foul by Gabriel Jesus (Manchester City).
Jack Wilshere (Arsenal) wins a free kick in the attacking half.
Delay over. They are ready to continue.
Delay in match Kyle Walker (Manchester City) because of an injury.
Vincent Kompany (Manchester City) is shown the yellow card for a bad foul.
Foul by Vincent Kompany (Manchester City).
Danny Welbeck (Arsenal) wins a free kick on the left wing.
Substitution, Manchester City. Gabriel Jesus replaces Leroy Sané.
Kevin De Bruyne (Manchester City) wins a free kick in the defensive half.
Foul by Granit Xhaka (Arsenal).
Foul by Nicolás Otamendi (Manchester City).