EQUITY - AOCI Rollforward (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	$ 2,711	$ 4,902
Net transfers from Parent		402
Other comprehensive income (loss), net of tax	(264)	21
Balance at the end of the period	2,211	4,932
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	(1,089)	(1,182)
Other comprehensive income (loss), net of tax	(264)	21
Balance at the end of the period	(1,353)	(1,161)
Unrealized Gains (Losses) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	3
Other comprehensive income (loss), net of tax	(4)
Balance at the end of the period	(1)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	(735)	(974)
Other comprehensive income (loss), net of tax	(267)	17
Balance at the end of the period	(1,002)	(957)
Net Change Retirement-Related Benefit Plans
Accumulated Other Comprehensive Income (Loss) (net of tax)
Balance at the beginning of the period	(357)	(208)
Other comprehensive income (loss), net of tax	7	4
Balance at the end of the period	$ (350)	$ (204)