v3.22.1
Accumulated Other Comprehensive Income (Loss) - Changes in AOCI (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance $ 37,806 $ 35,334
Foreign currency translation adjustments [1] (125) (74)
Balance 37,596 35,429
Accumulated Other Comprehensive Income (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance (550) (337)
Foreign currency translation adjustments [2] (125) (74)
Balance $ (675) $ (411)
[1] Amounts for the three months ended March 31, 2022 and 2021 include gains from a net investment hedge of $13 million (net of tax expense of $4 million) and $26 million (net of tax expense of $8 million), respectively.   
[2] Amounts for the three months ended March 31, 2022 and 2021 include gains from a net investment hedge of $13 million (net of tax expense of $4 million) and $26 million (net of tax expense of $8 million), respectively.