Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2017	Dec. 31, 2016
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Federal Tax Expense (Benefit)	$ 0	$ 0	$ 4
Current State and Local Tax Expense (Benefit)	2	1	2
Current Foreign Tax Expense (Benefit)	0	1	(1)
Current Income Tax Expense (Benefit)	2	2	5
Deferred Federal Income Tax Expense (Benefit)	(4)	(1)	(204)
Deferred State and Local Income Tax Expense (Benefit)	(4)	(25)	(2)
Deferred Foreign Income Tax Expense (Benefit)	(1)	(5)	10
Deferred income taxes	(9)	(31)	(196)
Pre-tax income [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	(25)	(43)	(43)
Income (Loss) from Continuing Operations before Income Taxes, Foreign	22	160	(92)
(Loss) income before income tax benefit and equity in net income from unconsolidated investments	$ (3)	$ 117	$ (135)
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Effective income tax rate	(264.00%)	25.00%	(142.00%)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	$ (1)	$ 25	$ (47)
Income Tax Reconciliation, State and Local Income Taxes	(1)	(1)	(2)
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance	1	3	31
Income Tax Reconciliation, Other Reconciling Items	4	5	(3)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	(2)	(3)	10
Effective Income Tax Rate Reconciliation, Disposition of Business, Amount	(9)	(44)	0
Income Tax Reconciliation, Tax Credits, Research	(2)	(13)	0
Income Tax Reconciliation Uncertain Tax Positions	(1)	(4)	0
Income Tax Reconciliation, Other Adjustments	4	2	3
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	0	0	(204)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	0	1	21
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Consolidated net operating loss carryforwards	198
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	1
Valuation allowance	(65)	(73)
Components of Deferred Tax Assets and Liabilities [Abstract]
Deferred Tax Assets, Operating Loss Carryforwards	90	90
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	63	61
Deferred Tax Assets Prepaid Expenses And Accruals	49	48
Deferred Tax Assets, Unbilled Accounts	8	23
Deferred Tax Assets, Gross	236	234
Deferred Tax Assets, Net of Valuation Allowance	171	161
Deferred Tax Assets, Interest Expense	26	12
Deferred Tax Liabilities, Property, Plant and Equipment	517	521
Deferred Tax Liabilities, Intangible Assets	17	12
Deferred Tax Liabilities, Other	9	6
Deferred Tax Liabilities Gross	543	539
Deferred Tax Liabilities, Net	372	378
Disclosure Reconciliation Of The Beginning And Ending Amount Of Unrecognized Tax Benefits [Abstract]
Unrecognized Tax Benefits			48		$ 43
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	2	2	1
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions		1	6
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	(1)	(2)	(1)
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(2)	(8)	(2)
Uncertain Tax Positions [Abstract]
Liability for Uncertainty in Income Taxes, Current	40	41
Accrued interest and penalties associated with liabilities for unrecognized tax positions	6	$ 5
Cumulative effect change in accounting				$ 11
Unrecognized Tax Benefits, Increase Resulting from Acquisition			$ 1
State and Local Jurisdiction [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Consolidated net operating loss carryforwards	400
Foreign Tax Authority [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Consolidated net operating loss carryforwards	161
Production Type [Member] | Federal Jurisdiction [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Tax credit carryforwards	60
Research Tax Credit Carryforward [Member] | Federal Jurisdiction [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Tax credit carryforwards	$ 1