EQUITY - Reclassification out of Accumulated Other Comprehensive Income (Details) - Reclassification out of Accumulated Other Comprehensive Income $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) including portion attributable to noncontrolling interest, before tax	$ (15)
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	(15)
Cash flow hedges - Currency/Interest rate
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) including portion attributable to noncontrolling interest, before tax	5
Net unrealized investment losses on available-for-sale securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) including portion attributable to noncontrolling interest, before tax	$ (20)