v3.25.2
Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Other comprehensive income (loss) before reclassifications     $ (307) $ (258)
Amounts reclassified from accumulated OCI     (688) (602)
Net other comprehensive income (loss)     (995) (860)
Accumulated Other Comprehensive Income (Loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Accumulated other comprehensive income, beginning balance     795 2,300
Net other comprehensive income (loss) $ (58) $ (727) (995) (860)
Accumulated other comprehensive income, ending balance (200) 1,440 (200) 1,440
Foreign Currency Translation Adjustment        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Accumulated other comprehensive income, beginning balance     (1,755) (1,337)
Other comprehensive income (loss) before reclassifications     209 (192)
Amounts reclassified from accumulated OCI     0 127
Net other comprehensive income (loss)     209 (65)
Accumulated other comprehensive income, ending balance (1,546) (1,402) (1,546) (1,402)
Net Unrealized Gains (Losses) on Securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Accumulated other comprehensive income, beginning balance     (46) (57)
Other comprehensive income (loss) before reclassifications     12 (17)
Amounts reclassified from accumulated OCI     4 10
Net other comprehensive income (loss)     16 (7)
Accumulated other comprehensive income, ending balance (30) (64) (30) (64)
Net Unrealized Gains (Losses) on Derivative Instruments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Accumulated other comprehensive income, beginning balance     (604) (1,029)
Other comprehensive income (loss) before reclassifications     (528) (49)
Amounts reclassified from accumulated OCI     22 22
Net other comprehensive income (loss)     (506) (27)
Accumulated other comprehensive income, ending balance (1,110) (1,056) (1,110) (1,056)
Defined Benefit Postretirement Plans        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Accumulated other comprehensive income, beginning balance     3,200 4,723
Other comprehensive income (loss) before reclassifications     0 0
Amounts reclassified from accumulated OCI     (714) (761)
Net other comprehensive income (loss)     (714) (761)
Accumulated other comprehensive income, ending balance $ 2,486 $ 3,962 $ 2,486 $ 3,962