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Goodwill - Summary of Goodwill (Detail) $ in Millions | 9 Months Ended
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Sep. 30, 2019 USD ($)
Goodwill [Line Items] |
Goodwill, Beginning Balance | $ 24,931
Impairment | (8,828)
Impact of changes in exchange rates and other | 9
Goodwill, Ending Balance | 16,112
Cameron |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 5,439
Impairment | (5,001)
Goodwill, Ending Balance | 438
Operating Segments | Reservoir Characterization |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 4,703
Impairment | (97)
Impact of changes in exchange rates and other | 7
Goodwill, Ending Balance | 4,613
Operating Segments | Drilling |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 10,111
Impairment | (3,025)
Impact of changes in exchange rates and other | 3
Goodwill, Ending Balance | 7,089
Operating Segments | Production |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 4,678
Impairment | (705)
Impact of changes in exchange rates and other | (1)
Goodwill, Ending Balance | $ 3,972

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