EQUITY - Schedule of Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Equity [Abstract]
Unrealized gains/(losses), pretax	$ 481	$ (38)	$ 601	$ 221
Unrealized gains/(losses), tax	(65)	(3)	(81)	(14)
Unrealized gains/(losses), after tax	416	(41)	520	207
Reclassified to net earnings, pretax	(131)	53	(216)	89
Reclassified to net earnings, tax	16	(6)	28	(10)
Reclassified to net earnings, after tax	(115)	47	(188)	79
Derivatives qualifying as cash flow hedges, pretax	350	15	385	310
Derivatives qualifying as cash flow hedges, tax	(49)	(9)	(53)	(24)
Derivatives qualifying as cash flow hedges, after tax	301	6	332	286
Actuarial losses, pretax	20	1	40	22
Actuarial losses, tax	(3)	2	(7)	(3)
Actuarial losses, after tax	17	3	33	19
Amortization, pretax	6	10	12	19
Amortization, tax	(1)	(2)	(3)	(5)
Amortization, after tax	5	8	9	14
Settlements, pretax	4	5	5	6
Settlements, tax	(1)	(1)	(1)	(1)
Settlements, after tax	3	4	4	5
Pension and postretirement benefits, pre-tax	30	16	57	47
Pension and postretirement benefits, tax	(5)	(1)	(11)	(9)
Pension and postretirement benefits, after tax	25	15	46	38
Unrealized (losses)/gains, pretax	0	(3)	(2)	(6)
Unrealized (losses)/gains, tax	(1)	1	0	2
Unrealized (losses)/gains, after tax	(1)	(2)	(2)	(4)
Foreign currency translation, pretax	(64)	3	(70)	12
Foreign currency translation, tax	(24)	4	(30)	(11)
Foreign currency translation, after tax	(88)	7	(100)	1
Other comprehensive income, pre-tax	316	31	370	363
Other comprehensive income, tax	(79)	(5)	(94)	(42)
Other comprehensive income, after tax	$ 237	$ 26	$ 276	$ 321