Components of Income Tax (Detail) ¥ in Millions, $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2021
CNY (¥)
|
Dec. 31, 2021
USD ($)
|
Dec. 31, 2020
CNY (¥)
|
Dec. 31, 2019
CNY (¥)
|
|
| Income Tax Disclosure [Abstract] | ||||
| Current income tax | ¥ 3,636 | $ 571 | ¥ 4,668 | ¥ 3,564 |
| Income tax refund due to reduced tax rate | 0 | 0 | (719) | (920) |
| Adjustments of deferred tax assets due to change in tax rates | 109 | 17 | (5) | 9 |
| Deferred income tax (benefit) expense | (558) | (88) | 120 | (705) |
| Taxation for the year | ¥ 3,187 | $ 500 | ¥ 4,064 | ¥ 1,948 |
| X | ||||||||||
- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations exclude adjustments of deferred tax assets due to reduced tax rates. No definition available.
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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