EQUITY - AOCI Rollforward (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	$ 2,767	$ 4,985
Net transfers from Parent		498
Other comprehensive income (loss), net of tax	54	(86)
Balance at the end of the period	2,711	4,902
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	(1,143)	(1,096)
Other comprehensive income (loss), net of tax	54	(86)
Balance at the end of the period	(1,089)	(1,182)
Unrealized Gains (Losses) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	3
Balance at the end of the period	3
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	(684)	(878)
Other comprehensive income (loss), net of tax	(51)	(96)
Balance at the end of the period	(735)	(974)
Net Change Retirement-Related Benefit Plans
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	(462)	(218)
Other comprehensive income (loss), net of tax	105	10
Balance at the end of the period	$ (357)	$ (208)