Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 36,477	$ 2,107
Other comprehensive income (loss) before reclassifications	24
Reclassifications from accumulated other comprehensive income (loss) to net earnings	1
Net other comprehensive income (loss)	25
Ending Balance	36,370	39,781
Pension and other postretirement benefit plans, tax	0	(1)
Accumulated Other Comprehensive Loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(886)	(841)
Ending Balance	(861)	$ (782)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(582)
Other comprehensive income (loss) before reclassifications	45
Reclassifications from accumulated other comprehensive income (loss) to net earnings	0
Net other comprehensive income (loss)	45
Ending Balance	(537)
Pension and Postretirement Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(349)
Other comprehensive income (loss) before reclassifications	1
Reclassifications from accumulated other comprehensive income (loss) to net earnings	0
Net other comprehensive income (loss)	1
Ending Balance	(348)
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	45
Other comprehensive income (loss) before reclassifications	(22)
Reclassifications from accumulated other comprehensive income (loss) to net earnings	1
Net other comprehensive income (loss)	(21)
Ending Balance	$ 24