Goodwill and Intangible Assets - Narrative (Details)
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12 Months Ended |
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Jul. 01, 2019
USD ($)
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Dec. 31, 2019
USD ($)
segment
reporting_unit
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Dec. 31, 2018
USD ($)
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Dec. 31, 2017
USD ($)
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| Goodwill and Intangible Assets Disclosure [Abstract] |
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| Number of reportable segments | segment |
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4
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| Number of reporting units | reporting_unit |
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4
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| Goodwill impairment |
$ 0
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| Finite-Lived Intangible Assets [Line Items] |
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| Amortization expense for intangible assets |
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$ 365,000,000
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$ 455,000,000
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$ 387,000,000
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| Minimum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Estimated weighted average life (years) |
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1 year
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| Maximum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Estimated weighted average life (years) |
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30 years
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| Discount rate | Income approach valuation technique | Minimum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Discount rates |
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0.100
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| Discount rate | Income approach valuation technique | Maximum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Discount rates |
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0.115
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| Oilfield Services (OFS) and Oilfield Equipment (OFE) | Minimum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Reporting unit, percentage of fair value in excess of carrying value |
8.00%
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| Oilfield Services (OFS) and Oilfield Equipment (OFE) | Maximum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Reporting unit, percentage of fair value in excess of carrying value |
10.00%
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