Other Income and Expenses (Tables)

12 Months Ended

Dec. 31, 2020

Other Income and Expenses [Abstract]

Other Income and Expenses [Table Text Block]

The following table presents by segment, certain items within Operating and maintenance expenses and Selling, general, and administrative expenses in the Consolidated Statement of Operations:

	Transmission & Gulf of Mexico		Northeast G&P		West		Other
	(Millions)
2020
Income related to benefit policy change	$	(22)	$	(9)	$	(9)	$	—
2019
Severance and related costs	39		7		10		1
2018
Expense from charitable contribution of preferred stock to the Williams Companies Foundation, Inc. (Note 16)	—		—		—		35
WPZ Merger related costs	—		—		—		20