Leases - Lease liabilities maturities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Maturities of operating lease liabilities
2022	$ 85
2023	74
2024	59
2025	47
2026	36
Thereafter	197
Future value of lease liabilities	498
Less: Imputed interest	(78)
Present value of lease liabilities	420
Maturities of finance lease liabilities
2022	3
2023	3
2024	3
2025	2
2026	1
Thereafter	4
Future value of lease liabilities	16
Less: Imputed interest	(2)
Present value of lease liabilities	$ 14	$ 12

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=123408670&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=123391704&loc=SL77918627-209977