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Employee Benefit Plans - Stock Option Activity (Details)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2022
USD ($)
$ / shares
shares
Options  
Options, Outstanding, beginning balance (in shares) | shares 11,973,783
Options, Exercised (in shares) | shares (7,670,208)
Options, Expired or cancelled (in shares) | shares 0
Options, Outstanding, ending balance (in shares) | shares 4,303,575
Stock option, Vested (in shares) | shares 4,303,575
Stock option, Exercisable at end of year (in shares) | shares 4,303,575
Weighted-Average Exercise Price  
Weighted-Average Exercise Price, Outstanding, beginning balance (in dollars per share) | $ / shares $ 56.46
Weighted-Average Exercise Price, exercised (in dollars per share) | $ / shares 57.12
Weighted-Average Exercise Price, Expired or canceled (in dollars per share) | $ / shares 0
Weighted-Average Exercise Price, Outstanding, ending balance (in dollars per share) | $ / shares 55.28
Weighted-Average Exercise Price, Vested (in dollars per share) | $ / shares 55.28
Weighted-Average Exercise Price, Exercisable (in dollars per share) | $ / shares $ 55.28
Aggregate Intrinsic Value  
Aggregate Intrinsic Value, Outstanding, beginning balance | $ $ 188
Aggregate Intrinsic Value, Exercised | $ (308)
Aggregate Intrinsic Value, Outstanding, ending balance | $ 266
Aggregate Intrinsic Value, Vested | $ 266
Aggregate Intrinsic Value, Exercisable | $ $ 266