Long-Lived Asset Impairments and Other - Impairment of Long Lived Assets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Impaired Long-Lived Assets Held and Used [Line Items]
Property, Plant and Equipment				$ 571
Intangible Assets				159
Right of Use Assets				88
Total Impairment Charges	$ 0	$ 0	$ 0	818
Western Hemisphere
Impaired Long-Lived Assets Held and Used [Line Items]
Property, Plant and Equipment				316
Intangible Assets				44
Right of Use Assets				56
Total Impairment Charges				416
Eastern Hemisphere
Impaired Long-Lived Assets Held and Used [Line Items]
Property, Plant and Equipment				255
Intangible Assets				115
Right of Use Assets				32
Total Impairment Charges				$ 402