Earnings of Foreign Subsidiaries No Longer Permanently Reinvested

No definition available.

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations excluding Libya for the period

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No definition available.

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Effective Income Tax Rate Reconciliation, Goodwill Impairment

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Effective Income Tax Rate Reconciliation, Provincial Corporate Tax Rate

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Reconciliation of (a) the reported amount of income tax expense attributable to continuing operations for the year to (b) the amount of income tax expense that would result from applying domestic federal statutory rates to pretax income from continuing operations. The estimated amount and the nature of each significant reconciling item shall be disclosed.

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The Libya statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations in Libya for the period. The "statutory" tax rate shall be the regular tax rate if there are alternative tax systems.

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Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I.7)
-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)-(b)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319

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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2015	Jun. 29, 2015	Jun. 28, 2015
Income Tax Contingency [Line Items]
Libya Statutory Income Tax Rate			90.00%
Effective income tax rate excluding Libya		73.00%	25.00%	27.00%
Federal
Current		$ 2	$ (43)	$ 15
Deferred		836	(687)	62
Total		838	(730)	77
State and local
Current		2	(8)	8
Deferred		8	(18)	(58)
Total		10	(26)	(50)
Foreign
Current		90	103	281
Deferred		(33)	(101)	84
Total		57	2	365
Current Income Tax Expense (Benefit)		94	52	304
Deferred Income Tax Expense (Benefit)		811	(806)	88
Income Tax Expense (Benefit)		$ 905	$ (754)	$ 392
Effective Tax Rate Reconciliation [Abstract]
Statutory rate applied to income from continuing operations before income taxes		(35.00%)	(35.00%)	35.00%
Effects of foreign operations, including foreign tax credits		5.00%	(2.00%)	(6.00%)
Change in permanent reinvestment assertion		0.00%	0.00%	(19.00%)
Adjustments to valuation allowances		102.00%	3.00%	21.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent		1.00%	5.00%	0.00%
Effective Income Tax Rate Reconciliation, Goodwill Impairment		0.00%	4.00%	0.00%
Other		0.00%	0.00%	(2.00%)
Effective income tax rate on continuing operations		73.00%	(25.00%)	29.00%
LIBYAN ARAB JAMAHIRIYA
Income Tax Contingency [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards		$ 83
Foreign Tax Authority [Member] \| Alberta Government [Member]
Income Tax Contingency [Line Items]
Effective Income Tax Rate Reconciliation, Provincial Corporate Tax Rate						12.00%	10.00%
Foreign
Deferred			$ 135
Deferred Income Tax Expense (Benefit)	$ 135
CANADA
Income Tax Contingency [Line Items]
Earnings of Foreign Subsidiaries No Longer Permanently Reinvested					$ 1,000