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Goodwill - Changes in Carrying Amount of Goodwill (Detail) $ in Millions | 9 Months Ended
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Sep. 30, 2020 USD ($)
Goodwill [Line Items] |
Goodwill, Beginning Balance | $ 16,042
Impairment (See Note 2) | (3,070)
Impact of changes in exchange rates and other | (4)
Goodwill, Ending Balance | 12,968
Cameron |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 441
Impairment (See Note 2) | (183)
Impact of changes in exchange rates and other | 3
Goodwill, Ending Balance | 261
Operating Segments | Reservoir Characterization |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 4,560
Goodwill, Ending Balance | 4,560
Operating Segments | Drilling |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 7,092
Impairment (See Note 2) | (1,659)
Impact of changes in exchange rates and other | 10
Goodwill, Ending Balance | 5,443
Operating Segments | Production |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 3,949
Impairment (See Note 2) | (1,228)
Impact of changes in exchange rates and other | (17)
Goodwill, Ending Balance | $ 2,704

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