Long-Lived Asset Impairments and Other - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Property, Plant and Equipment [Abstract]
Total Impairment Charges	$ 178		$ 818
Long-lived asset impairment	178	$ 13	$ 818	$ 20
Quantifying misstatement in current year financial statements, amount	$ 65

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 220
-Section 45
-Paragraph 11
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-URI http://asc.fasb.org/extlink&oid=114873921&loc=SL114875236-224282

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-Publisher FASB
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-SubTopic 10
-Section 45
-Paragraph 4
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- References

No definition available.

+ Details

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- Definition

Amount of each individual error being corrected in the correcting adjustment.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 1.N)
-URI http://asc.fasb.org/extlink&oid=112272810&loc=d3e30840-122693

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