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Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Renewal term	99 years
Termination period	30 days
Residual value guarantee, percentage	83.00%
Estimated construction cost, noncancelable lease	$ 499
Right-of-use assets obtained in exchange for new operating lease liabilities	57	$ 22
Operating cash flows from operating leases	$ 103	$ 109
Equipment | Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Equipment | Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	5 years
Line of Road and Property Lease | Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Line of Road and Property Lease | Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	136 years
Building
Lessee, Lease, Description [Line Items]
Operating lease term	5 years

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Lessee, Operating Lease, Estimated Cost Of Construction

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- Definition

Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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-Paragraph 5
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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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