EQUITY - Reclassification out of Accumulated Other Comprehensive Income (Details) - Reclassification out of Accumulated Other Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) including portion attributable to noncontrolling interest, before tax	$ (16)	$ (20)	$ 1,074
Total Accumulated Other Comprehensive Income (Loss)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) including portion attributable to noncontrolling interest, before tax	(16)	(20)	1,074
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) including portion attributable to noncontrolling interest, before tax	5	6	18
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Including Noncontrolling Interest
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) including portion attributable to noncontrolling interest, before tax	$ (21)	$ (26)	$ 1,056