Consolidated Statement of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Comprehensive income (loss):
Net income (loss)	$ 315	$ 324	$ (255)	$ 538
Pension and other postretirement benefits:
Net actuarial gain (loss) arising during the year, net of taxes of ($7) and ($3) in 2020	23	0	9	0
Amortization of actuarial (gain) loss and net actuarial loss from settlements included in net periodic benefit cost (credit), net of taxes of ($3) and ($5) in 2020 and ($2) and ($3) in 2019	6	2	14	5
Other comprehensive income (loss)	29	2	23	5
Comprehensive income (loss)	344	326	(232)	543
Less: Comprehensive income (loss) attributable to noncontrolling interests	12	14	(41)	33
Comprehensive income (loss) attributable to The Williams Companies, Inc.	$ 332	$ 312	$ (191)	$ 510