Leasing - Maturities of Operating and Finance Leases After Adopting 2016-02 (Details) $ in Millions	Dec. 31, 2019 USD ($)
Operating leases
2020	$ 284
2021	224
2022	199
2023	166
2024	136
2025 and thereafter	1,057
Total lease payments	2,066
Less: Imputed interest	(294)
Total	1,772
Finance leases
2020	2
2021	0
2022	0
2023	0
2024	0
2025 and thereafter	0
Total lease payments	2
Less: Imputed interest	0
Total	$ 2

No definition available.

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- 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=77888426&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=77888419&loc=SL77918627-209977