EQUITY - Schedule of Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Equity [Abstract]
Unrealized gains/(losses), pretax	$ 120	$ 259
Unrealized gains/(losses), tax	(16)	(11)
Unrealized gains/(losses), after tax	104	248
Reclassified to net earnings, pretax	(85)	36
Reclassified to net earnings, tax	12	(4)
Reclassified to net earnings, after tax	(73)	32
Derivatives qualifying as cash flow hedges, pretax	35	295
Derivatives qualifying as cash flow hedges, tax	(4)	(15)
Derivatives qualifying as cash flow hedges, after tax	31	280
Actuarial losses, pretax	20	21
Actuarial losses, tax	(4)	(5)
Actuarial losses, after tax	16	16
Amortization, pretax	6	9
Amortization, tax	(2)	(3)
Amortization, after tax	4	6
Settlements, pretax	1	1
Settlements, tax	0	0
Settlements, after tax	1	1
Pension and postretirement benefits, pre-tax	27	31
Pension and postretirement benefits, tax	(6)	(8)
Pension and postretirement benefits, after tax	21	23
Unrealized (losses)/gains, pretax	(2)	(3)
Unrealized (losses)/gains, tax	1	1
Marketable debt securities	(1)	(2)
Foreign currency translation, pretax	(6)	9
Foreign currency translation, tax	(6)	(15)
Foreign currency translation, after tax	(12)	(6)
Other Comprehensive Income/(Loss), pre-tax	54	332
Other comprehensive income/(loss), Tax	(15)	(37)
Other Comprehensive Income/(Loss), after tax	$ 39	$ 295