Leases (Tables)

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Schedule of components of lease related expenses

The components of lease related expenses, net are as follows.

	Three Months Ended September 30, 2019			Nine Months Ended September 30, 2019
Operating lease expense (a)	$	105		$	321
Finance lease expense:
Amortization of right-of-use assets	3			10
Interest on lease liabilities	1			4
Total finance lease expense	4			14
Sublease income	(6		)	(20		)
Total lease related expenses, net	$	103		$	315

^(a) 

Includes short-term leases and variable leases costs of $31 million and $96 million for the three and nine months ended September 30, 2019, respectively.

Schedule of supplemental cash flow information

Supplemental cash flow information related to leases is as follows.

	Nine Months Ended September 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	219
Operating cash flows from finance leases	$	4
Financing cash flows from finance leases	$	5
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	209
Finance leases	$	27

Schedule of supplemental balance sheet information

Supplemental balance sheet information related to leases is as follows.

	September 30, 2019
Operating leases:
Operating lease right-of-use assets	$	1,103
Current operating lease liabilities	$	210
Long-term operating lease liabilities	991
Total operating lease liabilities	$	1,201
Finance leases:
Finance lease right-of-use assets (included within property, plant and equipment, net)	$	165
Current finance lease liabilities (included within accounts payable and accrued liabilities)	$	7
Long-term finance lease liabilities (included within other long-term liabilities)	51
Total finance lease liabilities	$	58
Weighted average remaining lease term
Operating leases	6.8 years
Finance leases	16.3 years
Weighted average discount rate
Operating leases	4.5		%
Finance leases	5.7		%

Schedule of future minimum lease payments for operating leases

Maturities of lease liabilities are as follows.

	Operating leases			Finance leases
Three months ended December 31, 2019	$	71		$	1
2020	280			6
2021	247			6
2022	210			6
2023	182			5
Thereafter	526			59
Undiscounted lease cash flow commitments	1,516			83
Reconciling impact from discounting	(315		)	(25		)
Lease liabilities on consolidated balance sheet as of September 30, 2019	$	1,201		$	58

Schedule of future minimum lease payments for finance leases

Maturities of lease liabilities are as follows.

	Operating leases			Finance leases
Three months ended December 31, 2019	$	71		$	1
2020	280			6
2021	247			6
2022	210			6
2023	182			5
Thereafter	526			59
Undiscounted lease cash flow commitments	1,516			83
Reconciling impact from discounting	(315		)	(25		)
Lease liabilities on consolidated balance sheet as of September 30, 2019	$	1,201		$	58

Schedule of future minimum lease payments for operating leases

The following table presents the Company’s unadjusted lease commitments as of December 31, 2018 as a required disclosure for companies adopting the lease standard prospectively without revising comparative period information.

	Operating leases		Capital leases
2019	$	286	$	10
2020	254		9
2021	207		9
2022	170		9
2023	143		10
Thereafter	440		64
	$	1,500	$	111

Schedule of future minimum lease payments for capital leases

The following table presents the Company’s unadjusted lease commitments as of December 31, 2018 as a required disclosure for companies adopting the lease standard prospectively without revising comparative period information.

	Operating leases		Capital leases
2019	$	286	$	10
2020	254		9
2021	207		9
2022	170		9
2023	143		10
Thereafter	440		64
	$	1,500	$	111