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Charges and Credits - Summary of Charges and Credits (Detail) - USD ($)
3 Months Ended
6 Months Ended
9 Months Ended
Sep. 30, 2018
Mar. 31, 2018
Jun. 30, 2019
Sep. 30, 2019
Charges And Credits [Line Items]
Charges and credits, Pretax
$ 12,692,000,000
Charges and credits, Tax
(713,000,000)
Charges and credits, Net
$ 0
$ 0
$ 0
11,979,000,000
Goodwill | Impairment and Other [Member]
Charges And Credits [Line Items]
Charges and credits, Pretax
8,828,000,000
Charges and credits, Tax
(43,000,000)
Charges and credits, Net
8,785,000,000
Intangible Assets | Impairment and Other [Member]
Charges And Credits [Line Items]
Charges and credits, Pretax
1,085,000,000
Charges and credits, Tax
(248,000,000)
Charges and credits, Net
837,000,000
North America pressure pumping asset impairments | Impairment and Other [Member]
Charges And Credits [Line Items]
Charges and credits, Pretax
1,575,000,000
Charges and credits, Tax
(344,000,000)
Charges and credits, Net
1,231,000,000
Other North America - Related | Impairment and Other [Member]
Charges And Credits [Line Items]
Charges and credits, Pretax
310,000,000
Charges and credits, Tax
(53,000,000)
Charges and credits, Net
257,000,000
Argentina | Impairment and Other [Member]
Charges And Credits [Line Items]
Charges and credits, Pretax
127,000,000
Charges and credits, Net
127,000,000
Equity Method Investment, Other Than Temporary Impairment | Impairment and Other [Member]
Charges And Credits [Line Items]
Charges and credits, Pretax
231,000,000
Charges and credits, Tax
(12,000,000)
Charges and credits, Net
219,000,000
Schlumberger Production Managemen | Impairment and Other [Member]
Charges And Credits [Line Items]
Charges and credits, Pretax
294,000,000
Charges and credits, Net
294,000,000
Other | Impairment and Other [Member]
Charges And Credits [Line Items]
Charges and credits, Pretax
242,000,000
Charges and credits, Tax
(13,000,000)
Charges and credits, Net
$ 229,000,000
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