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Income Taxes, Expiration of Tax Loss Carryforwards (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Summary of expiration of tax loss carryforwards [Abstract]  
2020 $ (13)
2021 (17)
2022 (141)
2023 (147)
2024 (45)
Thereafter (8,426)
Unlimited (1,071)
Total Tax Loss Carryforwards (9,860)
Other  
Summary of expiration of tax loss carryforwards [Abstract]  
2020 0
2021 0
2022 0
2023 0
2024 0
Thereafter 0
Unlimited (3)
Total Tax Loss Carryforwards (3)
Domestic Tax Authority | United Kingdom  
Summary of expiration of tax loss carryforwards [Abstract]  
2020 0
2021 0
2022 0
2023 0
2024 0
Thereafter 0
Unlimited (149)
Total Tax Loss Carryforwards (149)
Foreign Tax Authority | Australia  
Summary of expiration of tax loss carryforwards [Abstract]  
2020 0
2021 0
2022 0
2023 0
2024 0
Thereafter 0
Unlimited (438)
Total Tax Loss Carryforwards (438)
Foreign Tax Authority | Netherlands  
Summary of expiration of tax loss carryforwards [Abstract]  
2020 0
2021 (7)
2022 (32)
2023 (36)
2024 (29)
Thereafter (34)
Unlimited 0
Total Tax Loss Carryforwards (138)
Foreign Tax Authority | France  
Summary of expiration of tax loss carryforwards [Abstract]  
2020 0
2021 0
2022 0
2023 0
2024 0
Thereafter 0
Unlimited (231)
Total Tax Loss Carryforwards (231)
Foreign Tax Authority | Brazil  
Summary of expiration of tax loss carryforwards [Abstract]  
2020 0
2021 0
2022 0
2023 0
2024 0
Thereafter 0
Unlimited (13)
Total Tax Loss Carryforwards (13)
Foreign Tax Authority | Switzerland  
Summary of expiration of tax loss carryforwards [Abstract]  
2020 0
2021 0
2022 (101)
2023 (80)
2024 0
Thereafter 0
Unlimited 0
Total Tax Loss Carryforwards (181)
Foreign Tax Authority | United States  
Summary of expiration of tax loss carryforwards [Abstract]  
2020 0
2021 0
2022 0
2023 0
2024 0
Thereafter (4,131)
Unlimited (203)
Total Tax Loss Carryforwards (4,334)
State and Local Jurisdiction | United States  
Summary of expiration of tax loss carryforwards [Abstract]  
2020 (13)
2021 (10)
2022 (8)
2023 (31)
2024 (16)
Thereafter (4,261)
Unlimited (34)
Total Tax Loss Carryforwards $ (4,373)