Stockholders' Equity - Share Repurchase Program Narrative (Details) - USD ($) shares in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Oct. 31, 2021 |
Jan. 31, 2021 |
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| Equity [Abstract] | |||||
| Remaining authorized repurchase amount | $ 38,790,000,000 | $ 8,600,000,000 | |||
| Stock repurchase program, increase in authorized amount | $ 50,000,000,000 | $ 25,000,000,000 | |||
| Shares repurchased | $ 44,810,000,000 | $ 6,298,000,000 | $ 4,099,000,000 | ||
| Shares repurchased (in shares) | 136 | ||||
| X | ||||||||||
- Definition Stock Repurchase Program, Increase In Authorized Amount No definition available.
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- References No definition available.
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| X | ||||||||||
- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
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| X | ||||||||||
- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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