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Earnings Per Share - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Oct. 17, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Number of shares repurchased (in shares) | 112,000,000 | 151,000,000 | 90,000,000 |
Amount of shares repurchased | $ 3,482 | $ 4,731 | $ 2,886 |
Common stock dividends, per share (in dollars per share) | $ 0.44 | $ 0.40 | $ 0.37 |
Share Repurchase Program October 2023 |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Share repurchase program authorized amount |  |  |  | $ 5,000
Share repurchase program, remaining amount | $ 4,800 |  |  |
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 | 0 |  |

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