Consolidated Statement of Comprehensive Income (Loss) - Williams - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Comprehensive income (loss):
Net income (loss)	$ 2,346	$ 3,303	$ 2,117
Designated interest rate cash flow hedging activities:
Net unrealized gain (loss) from derivative instruments, net of taxes of $(2), $(8), and $1 in 2024, 2023, and 2022, respectively	6	26	(3)
Reclassifications into earnings of net derivative instruments (gain) loss, net of taxes of $1, $1 and $— in 2024, 2023, and 2022, respectively	(2)	(2)	0
Pension and other postretirement benefits:
Net actuarial gain (loss) arising during the year, net of taxes of $(24), $—, and $1 in 2024, 2023, and 2022, respectively	72	(2)	1
Amortization of actuarial (gain) loss and net actuarial loss from settlements included in net periodic benefit cost (credit), net of taxes of $1, $—, and $(4) in 2024, 2023, and 2022, respectively	0	3	11
Other comprehensive income (loss)	76	25	9
Comprehensive income (loss)	2,422	3,328	2,126
Less: Comprehensive income (loss) attributable to noncontrolling interests	121	124	68
Comprehensive income (loss) attributable to The Williams Companies, Inc.	$ 2,301	$ 3,204	$ 2,058