Consolidated Statement of Comprehensive Income (Loss) (Unaudited) - Williams - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Comprehensive income (loss):
Net income (loss)	$ 583	$ 426	$ 1,312	$ 1,088
Designated interest rate cash flow hedging activities:
Net unrealized gain (loss) from derivative instruments, net of taxes of $(1) and $(1) in 2025 and $(2) and $(5) in 2024	2	4	3	15
Reclassifications into earnings of net derivative instruments (gain) loss, net of taxes of $— and $— in 2025 and $— and $— in 2024	0	0	(1)	(1)
Pension and other postretirement benefits:
Amortization of actuarial (gain) loss and net actuarial loss from settlements included in net periodic benefit cost (credit), net of taxes of $— and $— in 2025 and $— and $— in 2024	(1)	(1)	(1)	(1)
Other comprehensive income (loss)	1	3	1	13
Comprehensive income (loss)	584	429	1,313	1,101
Less: Comprehensive income (loss) attributable to noncontrolling interests	37	25	75	55
Comprehensive income (loss) attributable to The Williams Companies, Inc.	$ 547	$ 404	$ 1,238	$ 1,046