OTHER FINANCIAL INFORMATION - Summary of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 21,209	$ 21,064
Net unrealized gain (loss)	(2)	10
Reclassifications to net income	(20)	(20)
Net current period other comprehensive income (loss)	(22)	(10)
Ending balance	20,939	19,915
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	2	83
Net current period other comprehensive income (loss)	(22)	(10)
Ending balance	(20)	73
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	2	13
Net unrealized gain (loss)	(5)	5
Reclassifications to net income	0	0
Net current period other comprehensive income (loss)	(5)	5
Ending balance	(3)	18
Unrealized Gains and Losses on Available-for-Sale Debt Securities, Net of Tax
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(33)	(4)
Net unrealized gain (loss)	8	(19)
Reclassifications to net income	1	0
Net current period other comprehensive income (loss)	9	(19)
Ending balance	(24)	(23)
Unrealized Gains and Losses on Cash Flow Hedges, Net of Tax
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	33	74
Net unrealized gain (loss)	(6)	24
Reclassifications to net income	(21)	(20)
Net current period other comprehensive income (loss)	(26)	4
Ending balance	$ 7	$ 78