Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Comprehensive income (loss):
Net income (loss)	$ 741	$ 684	$ 1,829	$ 2,135
Designated interest rate cash flow hedging activities:
Net unrealized gain (loss) from derivative instruments, net of taxes of $4 and $(1) in 2024 and $(12) and $(23) in 2023	(13)	36	2	72
Reclassifications into earnings of net derivative instruments (gain) loss, net of taxes of $— and $— in 2024 and $— and $— in 2023	0	(1)	(1)	(2)
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 2024 and $— and ($1) in 2023	0	1	(1)	2
Other comprehensive income (loss)	(13)	36	0	72
Comprehensive income (loss)	728	720	1,829	2,207
Less: Comprehensive income (loss) attributable to noncontrolling interests	35	30	90	94
Comprehensive income (loss) attributable to The Williams Companies, Inc.	$ 693	$ 690	$ 1,739	$ 2,113