Leases - Commitments (Details) - USD ($) $ in Millions	Mar. 30, 2019	Dec. 31, 2018
Commitments
2019		$ 141
2020		99
2021		91
2022		67
2023		52
Thereafter		210
Operating Leases
Weighted average discount rate for operating leases	6.76%
Ports
Commitments
2019		18
2020		18
2021		19
2022		19
2023		20
Thereafter		109
Vessel, time and voyage-charters
Commitments
2019		58
2020		27
2021		26
2022		13
2023		8
Thereafter		25
Contract growers
Commitments
2019		47
2020		41
2021		37
2022		27
2023		18
Thereafter		61
Other operating lease payments
Operating Leases
2019		18
2020		13
2021		9
2022		8
2023		6
Thereafter		$ 15