Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value of Financial Instruments [Abstract]

Schedule of Estimated Fair Value of Financial Instruments, by Balance Sheet Grouping

	December 31, 2017				December 31, 2016
	Carrying		Estimated Fair		Carrying		Estimated Fair
	Amount		Value		Amount		Value
Assets:
Cash and cash equivalents	$	563	$	563	$	238	$	238
Available-for-sale securities		252		252		299		299
Trading securities		37		37		80		80
Liabilities:
Contingent Value Right		2		2		1		1
Credit Facility		2,902		2,826		6,456		6,370
8% Senior Notes		1,922		1,637		1,920		1,615
7⅛% Senior Notes		1,192		897		1,189		917
5⅛% Senior Secured Notes due 2018		-		-		698		690
5⅛% Senior Secured Notes due 2021		978		902		972		930
6⅞% Senior Notes		2,943		1,729		2,932		2,102
6¼% Senior Secured Notes		3,061		2,800		-		-
Receivables Facility and other debt		611		611		749		749

Schedule of Interest Rate Swaps

						Liability (Asset)
	Notional Amount					Fair Value
Swap #	(in millions)		Fixed Interest Rate		Termination Date	(in millions)
1	$	400	1.882	%	August 30, 2019	$	(1)
2		200	2.515	%	August 30, 2019		2
3		200	2.613	%	August 30, 2019		2
4		300	2.041	%	August 30, 2020		-
5		300	2.738	%	August 30, 2020		5
6		300	2.892	%	August 30, 2020		6
7		300	2.363	%	January 27, 2021		2
8		200	2.368	%	January 27, 2021		1

Schedule of Pre-tax (Loss) Gain Recognized as a Component of Other Comprehensive Income

	Amount of Pre-Tax Income (Loss)
	Recognized in OCI (Effective Portion)
Derivatives in Cash Flow Hedging Relationships	Year Ended December 31,
	2017		2016		2015
Interest rate swaps	$	2	$	(27)	$	(51)

Schedule of Effective Portion of the Pre-tax Loss Reclassified from AOCL into Interest Expense on the Consolidated Statements of Income

	Amount of Pre-Tax Loss Reclassified
Location of Loss Reclassified from	from AOCL into Income (Effective Portion)
AOCL into Income (Effective Portion)	Year Ended December 31,
	2017		2016		2015
Interest expense, net	$	30	$	54	$	42

Schedule of the Fair Value of Derivative Instruments in the Consolidated Balance Sheet

Asset Derivatives

Liability Derivatives

December 31, 2017

December 31, 2016

December 31, 2017

December 31, 2016

Balance

Balance

Balance

Balance

Sheet

Sheet

Sheet

Sheet

Location

Fair Value

Location

Fair Value

Location

Fair Value

Location

Fair Value

Derivatives

designated as

Other

Other

Other

Other

hedging

assets,

assets,

long-term

long-term

instruments

net

$

1

net

$

-

liabilities

$

18

liabilities

$

49