OTHER FINANCIAL STATEMENT DETAILS - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Balances of Other Comprehensive Income (Loss), Net of Tax
Beginning balance	$ 19,767	$ 20,905	$ 21,727	$ 20,063
Other comprehensive income (loss) before reclassifications	39	124	(235)	168
Less: Amount of gain (loss) reclassified from accumulated other comprehensive income (loss)	156	(44)	310	(192)
Other comprehensive income (loss), net of tax	(117)	168	(545)	360
Ending balance	20,264	22,090	20,264	22,090
Accumulated Other Comprehensive Income (Loss)
Accumulated Balances of Other Comprehensive Income (Loss), Estimated Tax Benefit (Expense)
Beginning balance	56	3	(2)	2
Other comprehensive income (loss) before reclassifications	11	(7)	69	(6)
Less: Amount of gain (loss) reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Net current period other comprehensive income (loss)	11	(7)	69	(6)
Ending balance	67	(4)	67	(4)
Accumulated Balances of Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(564)	(292)	(136)	(484)
Ending balance	(681)	(124)	(681)	(124)
Unrealized Gains on Cash Flow Hedges
Accumulated Balances of Other Comprehensive Income (Loss), Before Tax
Beginning balance	409	(93)	199	(323)
Other comprehensive income (loss) before reclassifications	294	160	658	242
Less: Amount of gain (loss) reclassified from accumulated other comprehensive income (loss)	156	(44)	310	(192)
Net current period other comprehensive income (loss)	138	204	348	434
Ending balance	547	111	547	111
Unrealized Losses on Investments
Accumulated Balances of Other Comprehensive Income (Loss), Before Tax
Beginning balance	(544)	(6)	(87)	11
Other comprehensive income (loss) before reclassifications	(157)	0	(614)	(17)
Less: Amount of gain (loss) reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Net current period other comprehensive income (loss)	(157)	0	(614)	(17)
Ending balance	(701)	(6)	(701)	(6)
Foreign Currency Translation Adjustment (“CTA”)
Accumulated Balances of Other Comprehensive Income (Loss), Before Tax
Beginning balance	(665)	(220)	(270)	(198)
Other comprehensive income (loss) before reclassifications	(206)	(29)	(601)	(51)
Less: Amount of gain (loss) reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Net current period other comprehensive income (loss)	(206)	(29)	(601)	(51)
Ending balance	(871)	(249)	(871)	(249)
Net Investment Hedges CTA Gains
Accumulated Balances of Other Comprehensive Income (Loss), Before Tax
Beginning balance	180	24	24	24
Other comprehensive income (loss) before reclassifications	97	0	253	0
Less: Amount of gain (loss) reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Net current period other comprehensive income (loss)	97	0	253	0
Ending balance	$ 277	$ 24	$ 277	$ 24