v3.22.2
Supplemental Financial Statement Information - Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance $ 9,613 $ 13,598 $ 15,145 $ 12,967
Other comprehensive income (loss) (200) 27 (181) 1,216
Ending balance 7,369 14,175 7,369 14,175
Grab        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Included in other comprehensive income (loss)       1,300
Accumulated Other Comprehensive Income (Loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (505) 654 (524) (535)
Other comprehensive income (loss) before reclassifications     (181) 1,216
Amounts reclassified from accumulated other comprehensive income (loss)     0 0
Other comprehensive income (loss)     (181) 1,216
Ending balance (705) 681 (705) 681
Foreign Currency Translation Adjustments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     (524) (581)
Other comprehensive income (loss) before reclassifications     (181) 54
Amounts reclassified from accumulated other comprehensive income (loss)     0 0
Other comprehensive income (loss)     (181) 54
Ending balance (705) (527) (705) (527)
Unrealized Gains (Losses) on Available-for-Sale Securities, Net of Tax        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     0 46
Other comprehensive income (loss) before reclassifications     0 1,162
Amounts reclassified from accumulated other comprehensive income (loss)     0 0
Other comprehensive income (loss)     0 1,162
Ending balance $ 0 $ 1,208 $ 0 $ 1,208