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OTHER FINANCIAL INFORMATION - Summary of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance $ 20,939 $ 19,915 $ 21,209 $ 21,064
Net unrealized gain (loss)     37 62
Reclassifications to net income     (28) (58)
Net current period other comprehensive income (loss) 31 14 9 4
Ending balance 21,094 20,215 21,094 20,215
Accumulated Other Comprehensive Income (Loss)        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (20) 73 2 83
Net current period other comprehensive income (loss) 31 14 9 4
Ending balance 10 87 10 87
Foreign Currency Translation        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance     2 13
Net unrealized gain (loss)     32 (21)
Reclassifications to net income     0 0
Net current period other comprehensive income (loss)     32 (21)
Ending balance 34 (8) 34 (8)
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)     6 (31)
Reclassifications to net income     1 1
Net current period other comprehensive income (loss)     7 (30)
Ending balance (26) (34) (26) (34)
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)     (1) 114
Reclassifications to net income     (29) (59)
Net current period other comprehensive income (loss)     (30) 55
Ending balance $ 3 $ 129 $ 3 $ 129