Exit Costs - Transportation Commitments (Tables)

6 Months Ended

Jun. 30, 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:



	Six Months Ended June 30,
(millions)	2019			2018
Balance at Beginning of Period ⁽¹⁾	$	80		$	90
Firm Transportation Exit Cost Accrual	92			—
Payments, Net of Accretion	(5		)	(7		)
Balance at End of Period	167			83
Less: Current Portion Included in Other Current Liabilities	23			12
Long-term Portion Included in Other Noncurrent Liabilities	$	144		$	71


⁽¹⁾	Amounts include the current portion of $13 million which is included in other current liabilities in 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 June 30,				Six Months Ended June 30,
(millions)	2019		2018		2019		2018
Sales of Purchased Gas ⁽¹⁾	$	23	$	24	$	50	$	55
Cost of Purchased Gas and Related Expense
Cost of Purchased of Gas	22		23		49		53
Utilized Firm Transportation Expense ⁽²⁾	15		6		30		11
Unutilized Firm Transportation Expense	—		2		—		3
Cost of Purchased Gas and Related Expense, Total ⁽³⁾	$	37	$	31	$	79	$	67


⁽¹⁾	Amounts are included in sales of purchased oil and gas within our statements of operations.


⁽²⁾	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.

⁽³⁾

Amounts are included in cost of purchased oil and gas within our statements of operations.