Stock-Based Compensation - Summary of Market-Based Shares Vesting Activity (Parenthetical) (Detail) - Market-Based Shares [Member] $ / shares in Units, $ in Billions	12 Months Ended
Dec. 31, 2021 USD ($) $ / shares
Market-based [Member] \| Vest Date September 11, 2021 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
TEV \| $	$ 27.7
VWAP Value Equals or Exceeds $520 Per Share [Member] \| Vest Date October 30, 2021 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
VWAP Share Price \| $ / shares	$ 520

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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