Exit Costs - Transportation Commitments (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Rollforward of Accrued Transportation Commitment

In addition to the retained firm transportation commitments, we have the following accrued discounted liabilities associated with exit cost activities, including the permanent assignment described above:



	Three Months Ended March 31,
(millions)	2019			2018
Balance at Beginning of Period ⁽¹⁾	$	80		$	90
Firm Transportation Exit Cost Accrual	92			—
Payments, Net of Accretion	(5		)	(6		)
Balance at End of Period	167			84
Less: Current Portion Included in Other Current Liabilities	11			11
Long-term Portion Included in Other Noncurrent Liabilities at End of Period	$	156		$	73


⁽¹⁾	Balances include current accruals of $13 million which are included in other current liabilities on our consolidated balance sheets.

Revenues and expenses associated with capacity release agreements and purchases and sales of natural gas are as follows:



		Three Months Ended March 31,
(millions)	Statements of Operations Location	2019		2018
Sales of Purchased Gas	Sales of Purchased Oil and Gas	$	27	$	31
Cost of Purchased Gas and Related Expense
Cost of Purchased of Gas	Cost of Purchased Oil and Gas	27		30
Utilized Firm Transportation Expense ⁽¹⁾	Cost of Purchased Oil and Gas	15		5
Unutilized Firm Transportation Expense	Cost of Purchased Oil and Gas	—		1
Cost of Purchased Gas and Related Expense, Total	Cost of Purchased Oil and Gas	$	42	$	36

⁽¹⁾

Includes the net impact of the difference in the firm transportation contract rates and rates agreed to in the capacity releases, as well as transportation expenses associated with transport of purchased natural gas.