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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.