Subsequent Events (Details) - Petrobras and Petroleo Netherlands BV - PNBV SA - Subsequent Event $ in Millions	1 Months Ended
Oct. 31, 2018 USD ($)
Subsequent Event [Line Items]
Agreement amount	$ 96
Amount due in November 2018	55
Amount Due in 2020	22
Amount Due in 2021	$ 19
Revenue reduction percentage	40.00%

Litigation Settlement, Amount Awarded from Other Party, Due in Next Month

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- Definition

Litigation Settlement, Amount Awarded from Other Party, Due in Three Years

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No definition available.

+ Details

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- Definition

Litigation Settlement, Amount Awarded from Other Party, Due in Two Years

+ References

No definition available.

+ Details

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- Definition

Settlement Revenue Percentage Reduction

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No definition available.

+ Details

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- Definition

Amount awarded from other party in judgment or settlement of litigation.

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No definition available.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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No definition available.

+ Details

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- Details

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- Details

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