Leases (Tables)

3 Months Ended

Mar. 31, 2019

Lease costs, including amounts recoverable from joint operating partners, are as follows:



	Three Months Ended March 31, 2019
	($ in millions)
Lease costs:
Operating lease cost (a)	$	45
Short-term lease cost (b)	6
Variable lease cost (c)	19
Total lease costs	$	70

Other information:
Cash paid for amounts included in lease costs (d):
Operating cash flows from operating leases	$	21
Investing cash flows from operating leases (e)	$	49
Right-of-use assets obtained in exchange for new operating lease liabilities	$	88
Weighted-average remaining lease term - operating leases	3.4 years
Weighted-average discount rate - operating leases	3.3		%

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(a)	Represents straight-line rent cost associated with the Company's operating lease right-of-use assets.


(b)	Represents costs associated with short-term leases (those with a contractual term of 12 months or less) that are not recorded on the consolidated balance sheet.


(c)	Variable lease costs are primarily comprised of the non-lease service component of drilling rig commitments above the minimum required payments. Both the minimum required payments and the non-lease service component of the drilling rig commitments are capitalized as additions to oil and gas properties.


(d)	Cash paid for amounts included in total lease costs may not agree due to timing of cash payments and costs incurred.


(e)	Lease costs associated with drilling operations are capitalized as additions to oil and gas properties.

The payment schedule for the Company's operating lease obligations as of March 31, 2019 is as follows:



	Operating Leases
	(in millions)
Remainder of 2019	$	122
2020	127
2021	69
2022	36
2023	9
Thereafter	26
Total minimum lease payments	389
Less: Amount associated with discounting	(27		)
Total	$	362