Leases - Commitments (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Maturities of operating lease liabilities
2020	$ 130	$ 141
2021	113	99
2022	84	91
2023	58	67
2024	48	52
Thereafter	$ 164	210
Ports
Maturities of operating lease liabilities
2020		18
2021		18
2022		19
2023		19
2024		20
Thereafter		109
Vessel, time and voyage-charters
Maturities of operating lease liabilities
2020		58
2021		27
2022		26
2023		13
2024		8
Thereafter		25
Contract grower agreements
Maturities of operating lease liabilities
2020		47
2021		41
2022		37
2023		27
2024		18
Thereafter		61
Other operating lease payments
Maturities of operating lease liabilities
2020		18
2021		13
2022		9
2023		8
2024		6
Thereafter		$ 15

Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.

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

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in next fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.

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