Consolidated Statement of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Comprehensive income (loss):
Net income (loss)	$ 621	$ 173	$ 1,420	$ 930
Designated cash flow hedging activities:
Net unrealized gain (loss) from derivative instruments, net of taxes of $3 and $1 in 2022 and $5 and $14 in 2021	(8)	(17)	(3)	(43)
Reclassifications into earnings of net derivative instruments (gain) loss, net of taxes of $— and $— in 2022 and ($5) and ($7) in 2021	0	15	0	21
Pension and other postretirement benefits:
Net actuarial gain (loss) arising during the year, net of taxes of ($1) and ($1) in 2022 and $— and $— in 2021	2	0	2	0
Amortization of actuarial (gain) loss and net actuarial loss from settlements included in net periodic benefit cost (credit), net of taxes of ($1) and ($2) in 2022 and ($1) and ($3) in 2021	2	3	7	9
Other comprehensive income (loss)	(4)	1	6	(13)
Comprehensive income (loss)	617	174	1,426	917
Less: Comprehensive income (loss) attributable to noncontrolling interests	21	8	40	35
Comprehensive income (loss) attributable to The Williams Companies, Inc.	$ 596	$ 166	$ 1,386	$ 882