Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 39,781	$ 1,098	$ 2,107	$ 571
Other comprehensive (loss) income before reclassifications			25
Reclassifications from accumulated other comprehensive income (loss) to net earnings			5
Net other comprehensive (loss) income			30
Ending Balance	39,506	1,331	39,506	1,331
Pension and other postretirement benefit plans, tax	1	0	0	(4)
Accumulated Other Comprehensive Loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(782)	(648)	(841)	(637)
Ending Balance	(811)	$ (764)	(811)	$ (764)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(336)
Other comprehensive (loss) income before reclassifications			(143)
Reclassifications from accumulated other comprehensive income (loss) to net earnings			0
Net other comprehensive (loss) income			(143)
Ending Balance	(479)		(479)
Pension and Postretirement Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(305)
Other comprehensive (loss) income before reclassifications			(4)
Reclassifications from accumulated other comprehensive income (loss) to net earnings			5
Net other comprehensive (loss) income			1
Ending Balance	(304)		(304)
Pension and other postretirement benefit plans, tax			1
Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(200)
Other comprehensive (loss) income before reclassifications			172
Reclassifications from accumulated other comprehensive income (loss) to net earnings			0
Net other comprehensive (loss) income			172
Ending Balance	$ (28)		$ (28)