Leases - Schedule of Future Minimum Lease Payments to be Received (Detail) $ in Millions	Dec. 31, 2019 USD ($)
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
2020	$ 200
2021	149
2022	82
2023	30
2024	8
2025 and thereafter	3
Total undiscounted lease payments	472
Lessor, Finance Lease, Payments, Fiscal Year Maturity [Abstract]
2020	74
2021	60
2022	45
2023	42
2024	14
2025 and thereafter	22
Total undiscounted lease payments	257
Unearned finance income	(18)
Present value of future minimum lease payments	$ 239

Lessor, Finance Lease, Payments, Fiscal Year Maturity [Abstract]

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Lessor, Finance Lease, Payments To Be Received

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Lessor, Finance Lease, Payments To Be Received, Four Years

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Lessor, Finance Lease, Payments To Be Received, Next Twelve Months

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Lessor, Finance Lease, Payments To Be Received, Thereafter

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Lessor, Finance Lease, Payments To Be Received, Three Years

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Lessor, Finance Lease, Payments To Be Received, Two Years

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Lessor, Finance Lease, Payments To Be Received, Unearned Finance Income

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Lessor, Finance Lease, Present Value Of Future Payments To Be Received

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Amount of lease payments to be received by lessor for operating lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=77888428&loc=SL77919396-209981

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Amount of lease payments to be received by lessor in fifth fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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Amount of lease payments to be received by lessor in fourth year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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Amount of lease payments to be received by lessor in next fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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Amount of lease payments to be received by lessor after fifth fiscal year following latest statement of financial position date for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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Amount of lease payments to be received by lessor in third fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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Amount of lease payments to be received by lessor in second fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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