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Stockholders' Equity - Common Share Repurchases, Issuances and Dividends Paid (Parenthetical) (Detail) $ in Billions | Dec. 31, 2021 USD ($)
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Equity [Abstract] |
Authorized multi-year share repurchased program amount | $ 1

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant