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OTHER FINANCIAL INFORMATION - Summary of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance $ 21,094 $ 20,215 $ 21,209 $ 21,064
Net unrealized gain (loss)     72 114
Reclassifications to net income     (42) (99)
Net current period other comprehensive income (loss) 21 11 30 15
Ending balance 22,242 21,057 22,242 21,057
Accumulated Other Comprehensive Income        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance 10 87 2 83
Net current period other comprehensive income (loss) 21 11 30 15
Ending balance 31 98 31 98
Foreign Currency Translation        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance     2 13
Net unrealized gain (loss)     (3) (102)
Reclassifications to net income     0 0
Net current period other comprehensive income (loss)     (3) (102)
Ending balance (1) (89) (1) (89)
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)     10 (38)
Reclassifications to net income     2 1
Net current period other comprehensive income (loss)     11 (37)
Ending balance (22) (41) (22) (41)
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)     65 254
Reclassifications to net income     (44) (100)
Net current period other comprehensive income (loss)     21 154
Ending balance $ 54 $ 228 $ 54 $ 228