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Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Schedule of Leases

The following are additional details related to our lease portfolio:

		Dec. 31,		Dec. 31,
Millions	Classification	2020		2019
Assets
Operating leases	Operating lease assets	$	1,610	$	1,812
Finance leases	Net properties [a]		370		468
Total leased assets		$	1,980	$	2,280
Liabilities
Current
Operating	Accounts payable and other current liabilities	$	321	$	362
Finance	Debt due within one year		109		114
Noncurrent
Operating	Operating lease liabilities		1,283		1,471
Finance	Debt due after one year		340		491
Total lease liabilities		$	2,053	$	2,438

[a] Finance lease assets are recorded net of accumulated amortization of $737 million and $797 million as of December 31, 2020 and 2019, respectively.

Schedule of Lease Cost

The lease cost components are classified as follows:

		Dec. 31,		Dec. 31,
Millions	Classification	2020		2019
Operating lease cost [a]	Equipment and other rents	$	247	$	305
Operating lease cost [a]	Purchased services and materials		40		40
Operating lease cost [a]	Capitalized in net properties		30		21
Finance lease cost
Amortization of leased assets	Depreciation		66		72
Interest on lease liabilities	Interest expense		27		34
Net lease cost		$	410	$	472

[a] In addition to the lease cost components referenced above, we had short-term lease costs of $26 million and $27 million as of December 31, 2020 and 2019, respectively, and variable lease costs of $10 million and $12 million as of December 31, 2020 and 2019, respectively.

Future Minimum Lease Payments For Operating And Finance Leases

The following table presents aggregate lease maturities as of December 31, 2020:

Millions		Operating Leases		Finance Leases		Total
2021	$	325	$	135	$	460
2022		273		111		384
2023		229		81		310
2024		220		68		288
2025		216		45		261
After 2025		567		77		644
Total lease payments	$	1,830	$	517	$	2,347
Less: Interest		226		68		294
Present value of lease liabilities	$	1,604	$	449	$	2,053

Weighted Average Remaining Lease Term and Discount Rate

Millions		Operating Leases		Finance Leases		Total
2021	$	325	$	135	$	460
2022		273		111		384
2023		229		81		310
2024		220		68		288
2025		216		45		261
After 2025		567		77		644
Total lease payments	$	1,830	$	517	$	2,347
Less: Interest		226		68		294
Present value of lease liabilities	$	1,604	$	449	$	2,053

The following table presents the weighted average remaining lease term and discount rate:

	Dec. 31,
	2020
Weighted-average remaining lease term (years)
Operating leases		7.9
Finance leases		5.2
Weighted-average discount rate (%)
Operating leases		3.7
Finance leases		5.1

Schedule of Leases - Other Information

The following table presents other information related to our operating and finance leases for the year ended December 31:

Millions	2020		2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	323	$	387
Investing cash flows from operating leases		30		21
Operating cash flows from finance leases		29		35
Financing cash flows from finance leases		113		112
Leased assets obtained in exchange for finance lease liabilities		-		-
Leased assets obtained in exchange for operating lease liabilities		93		118

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- Definition

Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 303
-Paragraph (a)
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Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980

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