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Earnings Per Share - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 15, 2023 | Dec. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jul. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |
Number of shares repurchased (in shares) |  |  | 151,000,000 | 90,000,000 | 38,000,000 |
Amount of shares repurchased |  |  | $ 4,731 | $ 2,886 | $ 867 |
Common stock dividends, per share (in dollars per share) |  |  | $ 0.40 | $ 0.37 | $ 0.35 |
Subsequent Event |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |
Increase in quarterly cash dividend percentage | 10.00% |  |  |  |  |
Common stock dividends, per share (in dollars per share) | $ 0.11 |  |  |  |  |
Accelerated Share Repurchase Program December 2020 |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |
Number of shares repurchased (in shares) |  | 3,300,000 |  |  |  |
Accelerated share repurchase program payment |  | $ 100 |  |  | $ 100 |
October 2020 program |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |
Share repurchase program authorized amount |  |  |  |  |  | $ 5,000
Share repurchase program, remaining amount |  |  | $ 3,300 |  |  |
Structured Share Repurchase Program |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |
Number of shares repurchased (in shares) |  |  | 12,000,000 |  |  |
Amount of shares repurchased |  |  | $ 378 |  |  |
Share repurchase agreement outstanding |  |  | 0 |  |  |

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