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Income Taxes - Summary of Tax Loss and Tax Credits (Detail) $ in Millions | Dec. 31, 2021 USD ($)
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Tax Loss Carry Forwards [Member] |
Disclosure of Income Taxes [Line Items] |
2022 | $ 4,341
2023 | 274
2024 | 426
2025 | 185
2026 and thereafter | 9,569
Tax Loss And Tax Credits, Total | 14,795
Amount of unrecognized carryforwards [Member] |
Disclosure of Income Taxes [Line Items] |
2022 | 4,340
2023 | 258
2024 | 195
2025 | 148
2026 and thereafter | 7,221
Tax Loss And Tax Credits, Total | 12,162
Amount of recognized carryforwards [Member] |
Disclosure of Income Taxes [Line Items] |
2022 | 1
2023 | 16
2024 | 231
2025 | 37
2026 and thereafter | 2,348
Tax Loss And Tax Credits, Total | $ 2,633

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