Leases - Schedule of Maturities of Lease Liabilities (Details) $ in Millions	Mar. 31, 2020 USD ($)
Operating Leases
Remaining nine months of 2020	$ 145
2021	158
2022	125
2023	97
2024	76
Thereafter	290
Total lease payments	891
Less: Interest	98
Total lease obligations	793
Finance Leases
Remaining nine months of 2020	2
2021	2
2022	2
2023	2
2024	1
Total lease payments	11
Less: Interest	2
Thereafter	2
Total lease obligations	$ 9

No definition available.

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977