Other Income and Expenses (Tables)

12 Months Ended

Dec. 31, 2019

Other Income and Expenses [Abstract]

Other Income and Expenses [Table Text Block]

The following tables present by segment, certain other items included in our Consolidated Statement of Operations:

	Year Ended December 31,
	2019			2018			2017
	(Millions)
Other (income) expense – net within Costs and expenses
Atlantic-Gulf
Amortization of regulatory assets associated with asset retirement obligations	$	21		$	33		$	33
Net accrual (amortization) of regulatory liability related to overcollection of certain employee expenses	(17		)	22			22
Project development costs related to Constitution (see Note 4)	3			4			16
Amortization of regulatory liability associated with Tax Reform	(26		)	—			—
Gains on asset retirements	—			(12		)	—
West
Regulatory charge per approved rates related to Tax Reform	24			24			—
Charge for regulatory liability associated with the decrease in Northwest Pipeline’s estimated deferred state income tax rates following WPZ Merger	—			12			—
Gains on contract settlements and terminations	—			—			(15		)
Other
Change to (benefit of) regulatory asset associated with Transco’s estimated deferred state income tax rate following WPZ Merger	12			(37		)	—
Gain on sale of refinery grade propylene splitter	—			—			(12		)

	Year Ended December 31,
	2019		2018			2017
	(Millions)
Other income (expense) – net below Operating income (loss)
Atlantic-Gulf
Allowance for equity funds used during construction	$	29	$	87		$	70
Settlement charge from pension early payout program	—		(7		)	(15		)
Regulatory adjustments resulting from Tax Reform	—		—			(33		)
Northeast G&P
Settlement charge from pension early payout program	—		(4		)	(7		)
West
Settlement charge from pension early payout program	—		(6		)	(13		)
Regulatory adjustments resulting from Tax Reform	—		—			(6		)
Other
Income associated with a regulatory asset related to deferred taxes on equity funds used during construction	9		35			52
Net gain (loss) associated with early retirement of debt	—		(7		)	27
Settlement charge from pension early payout program	—		(5		)	(35		)
Regulatory adjustments resulting from Tax Reform	—		(1		)	(63		)

Compensation Related Costs, General [Text Block]

Severance and other related costs included within Operating and maintenance expenses and Selling, general, and administrative expenses are as follows:

	Year Ended December 31,
	2019		2018		2017
	(Millions)
Atlantic-Gulf	$	32	$	—	$	—
Northeast G&P	7		—		—
West	17		—		—
Other	1		—		22