CONSOLIDATED CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY Statement - USD ($) shares in Millions	Total	Operating Expense [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]
Stockholders Equity [Line Items]
Shares, Issued			(137.1)				(61.5)
Total stockholders’ equity	$ 414,000,000		$ 1,000,000	$ 6,771,000,000	$ (1,091,000,000)	$ (133,000,000)	$ (5,134,000,000)
Net income (loss)	(29,000,000)
Other Comprehensive Income (Loss), Net of Tax	(7,000,000)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	9,000,000			(27,000,000)			$ 36,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period							0.3
Stock Issued During Period, Value, Stock Options Exercised				(5,000,000)			$ (5,000,000)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period							0.1
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(36,000,000)
Option Premiums Paid	(16,000,000)			(16,000,000)
Derivatives not designated as hedging instruments	(1,000,000)
Cumulative Effect of Accounting	5,000,000				4,000,000	1,000,000
Shares, Issued			(137.1)				(61.1)
Total stockholders’ equity	324,000,000		$ 1,000,000	6,737,000,000	(1,178,000,000)	(137,000,000)	$ (5,099,000,000)
Net income (loss)	62,000,000
Other Comprehensive Income (Loss), Net of Tax	(2,000,000)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	8,000,000			2,000,000			$ 6,000,000
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	60,000,000
Option Premiums Paid	(16,000,000)			(16,000,000)
Derivatives not designated as hedging instruments	(13,000,000)	$ 5,000,000
Shares, Issued			(137.1)				(61.1)
Total stockholders’ equity	376,000,000		$ 1,000,000	6,723,000,000	(1,116,000,000)	(139,000,000)	$ (5,093,000,000)
Shares, Issued			(137.1)				63.2
Total stockholders’ equity	656,000,000		$ 1,000,000	6,741,000,000	(785,000,000)	(157,000,000)	$ (5,144,000,000)
Net income (loss)	(639,000,000)
Other Comprehensive Income (Loss), Net of Tax	(66,000,000)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	3,000,000			(84,000,000)			$ 81,000,000
Stock Issued During Period, Value, Treasury Stock Reissued	15,000,000			15,000,000
Stock Issued During Period, Shares, Treasury Stock Reissued							0.4
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period							0.4
Treasury Stock, Shares, Acquired							(5.0)
Treasury Stock, Value, Acquired, Cost Method	(113,000,000)						$ 113,000,000
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(705,000,000)
Derivatives not designated as hedging instruments	(10,000,000)
Noncontrolling Interest, Increase from Sale of Parent Equity Interest	(2,000,000)			(2,000,000)
Cumulative Effect of Accounting	(1,000,000)				(1,000,000)
Shares, Issued			(137.1)				(67.5)
Total stockholders’ equity	292,000,000		$ 1,000,000	6,677,000,000	(944,000,000)	(256,000,000)	$ (5,186,000,000)
Net income (loss)	(481,000,000)
Other Comprehensive Income (Loss), Net of Tax	33,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	5,000,000			(5,000,000)			$ 10,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period							0.1
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(448,000,000)
Derivatives not designated as hedging instruments	(28,000,000)	$ (8,000,000)
Noncontrolling Interest, Increase from Sale of Parent Equity Interest	(2,000,000)			(2,000,000)
Shares, Issued			(137.1)				(67.4)
Total stockholders’ equity	$ (153,000,000)		$ 1,000,000	$ 6,670,000,000	$ (1,425,000,000)	$ (223,000,000)	$ (5,176,000,000)