Long-Lived Asset Impairments and Other - Impairment of Long Lived Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Impaired Long-Lived Assets Held and Used [Line Items]
Property, Plant and Equipment	$ 430
Intangible Assets	137
Right of Use Assets	73
Goodwill	167	$ 167	$ 229
Total Impairment Charges	807
Eastern Hemisphere
Impaired Long-Lived Assets Held and Used [Line Items]
Property, Plant and Equipment	208
Intangible Assets	106
Right of Use Assets	24
Goodwill	167
Total Impairment Charges	505
Western Hemisphere
Impaired Long-Lived Assets Held and Used [Line Items]
Property, Plant and Equipment	222
Intangible Assets	31
Right of Use Assets	49
Goodwill	0
Total Impairment Charges	$ 302