Consolidated Statement of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Comprehensive income (loss):
Net income (loss)	$ 494	$ 407	$ 1,451	$ 799
Designated interest rate cash flow hedging activities:
Net unrealized gain (loss) from derivative instruments, net of taxes of $(4) and $(11) in 2023 and $(1) and $(2) in 2022	16	2	36	5
Reclassifications into earnings of net derivative instruments (gain) loss, net of taxes of $— and $— in 2023 and $— and $— in 2022	(1)	0	(1)	0
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 $(1) and $(1) in 2023 and $— and ($1) in 2022	0	3	1	5
Other comprehensive income (loss)	15	5	36	10
Comprehensive income (loss)	509	412	1,487	809
Less: Comprehensive income (loss) attributable to noncontrolling interests	34	7	64	19
Comprehensive income (loss) attributable to The Williams Companies, Inc.	$ 475	$ 405	$ 1,423	$ 790