CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Tax effect of foreign currency translation adjustments arising during the period	$ (123)	$ 0	$ 0
Tax effect of qualifying derivatives arising during the period	11	5	2
Tax effect of defined benefit plans - prior service costs arising during period	0	0	0
Tax effect of defined benefit plans - net actuarial gain (loss) arising during period	1	74	119
Tax effect of qualifying derivatives reclassified from AOCI	(5)	(8)	(5)
Tax effect of defined benefit plans - prior service costs reclassified from AOCI	(1)	(1)	(1)
Tax effect of defined benefit plans - net actuarial (gain) loss reclassified from AOCI	(33)	(51)	(22)
Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	140	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	0	0	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	(2)	0	0
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	$ (798)	$ 0	$ 0