OTHER FINANCIAL STATEMENT DETAILS - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Total
Beginning balance	$ 20,024	$ 20,254	$ 20,256	$ 20,417
Other comprehensive income (loss) before reclassifications	11	(186)	68	(224)
Less: Amount of net gains (losses) reclassified from accumulated other comprehensive income (loss) (“AOCI”)	1	(69)	(87)	(35)
Other comprehensive income (loss), net of tax	10	(117)	155	(189)
Ending balance	19,820	20,201	19,820	20,201
Accumulated Other Comprehensive Income (Loss)
Estimated Tax (Expense) Benefit
Beginning balance	(50)	(71)	(42)	(75)
Other comprehensive income (loss) before reclassifications	(18)	17	(26)	21
Less: Amount of net gains (losses) reclassified from accumulated other comprehensive income (loss) (“AOCI”)	0	0	0	0
Net current period other comprehensive income (loss)	(18)	17	(26)	21
Ending balance	(68)	(54)	(68)	(54)
Total
Beginning balance	(513)	(622)	(658)	(550)
Ending balance	(503)	(739)	(503)	(739)
Unrealized Gains (Losses) on Cash Flow Hedges
Accumulated Balances of Other Comprehensive Income (Loss), Before Tax
Beginning balance	82	(29)	(110)	147
Other comprehensive income (loss) before reclassifications	20	(318)	124	(461)
Less: Amount of net gains (losses) reclassified from accumulated other comprehensive income (loss) (“AOCI”)	1	(70)	(87)	(37)
Net current period other comprehensive income (loss)	19	(248)	211	(424)
Ending balance	101	(277)	101	(277)
Unrealized Gains (Losses) on Available-for-sale Debt Securities
Accumulated Balances of Other Comprehensive Income (Loss), Before Tax
Beginning balance	8	5	13	14
Other comprehensive income (loss) before reclassifications	2	(10)	(3)	(18)
Less: Amount of net gains (losses) reclassified from accumulated other comprehensive income (loss) (“AOCI”)	0	1	0	2
Net current period other comprehensive income (loss)	2	(11)	(3)	(20)
Ending balance	10	(6)	10	(6)
Foreign CTA
Accumulated Balances of Other Comprehensive Income (Loss), Before Tax
Beginning balance	(866)	(840)	(832)	(949)
Other comprehensive income (loss) before reclassifications	7	125	(27)	234
Less: Amount of net gains (losses) reclassified from accumulated other comprehensive income (loss) (“AOCI”)	0	0	0	0
Net current period other comprehensive income (loss)	7	125	(27)	234
Ending balance	(859)	(715)	(859)	(715)
Net Investment Hedges CTA Gains (Losses)
Accumulated Balances of Other Comprehensive Income (Loss), Before Tax
Beginning balance	313	313	313	313
Other comprehensive income (loss) before reclassifications	0	0	0	0
Less: Amount of net gains (losses) reclassified from accumulated other comprehensive income (loss) (“AOCI”)	0	0	0	0
Net current period other comprehensive income (loss)	0	0	0	0
Ending balance	$ 313	$ 313	$ 313	$ 313

AOCI, Before Tax [Roll Forward]

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Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, attributable to parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners).

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