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Shareholders' Equity - Narrative (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | [1]
Stockholders' Equity Note [Abstract] |  |  |
Common stock, number of votes per share | $ 1 |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Reclassification to other capital | $ (11,630,000,000) |  | $ (11,259,000,000)
Reclassification from retained earnings | $ 66,000,000 | $ 0 | $ 152,000,000
Revision of Prior Period, Reclassification, Adjustment | Stock split reclassification adjustment |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Reclassification to other capital |  | 1,000,000,000 |
Reclassification from retained earnings |  | $ 1,000,000,000 |
[1] | Certain prior year data has been retroactively adjusted to reflect the stock split effective June 28, 2021 and reclassified to conform to the current presentation.

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- Definition Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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