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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Statement of Comprehensive Income [Abstract]        
Net income $ 693 $ 454 $ 2,112 $ 1,971
Other comprehensive income (loss), net of tax        
Change in fair value of derivatives, net of tax of $(10), $(3), $9 and $(25), respectively 35 12 (29) 86
Derivative amounts reclassified to net income, net of tax of $(2), $4, $1 and $14, respectively 4 (7) (4) (44)
Changes in benefit plan obligations and other, net of tax of $—, $(1), $— and $—, respectively 1 2 (2) (2)
Total other comprehensive income (loss), net of tax 40 7 (35) 40
Comprehensive income $ 733 $ 461 $ 2,077 $ 2,011