CONDENSED STATEMENT OF SHAREHOLDERS EQUITY Statement - USD ($) shares in Millions, $ in Millions	Total	AOCI Attributable to Parent [Member]	Common Stock [Member]	Retained Earnings [Member]	Accounting Standards Update 2016-13 [Member]	Accounting Standards Update 2016-02 [Member]	Retained Earnings [Member] Accounting Standards Update 2016-13 [Member]	Retained Earnings [Member] Accounting Standards Update 2016-02 [Member]
Stockholders' Equity Attributable to Parent	$ (7,926)	$ (334)	$ 0	$ (7,592)
Shares, Issued			306
OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax	5
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(53)		$ (54)	1
Employee Stock Option and SARs Exercises, Value	(71)		$ (53)	(18)
Employee Stock Option and SARs Exercises, Shares			2
Stock Repurchased During Period, Value	(476)		$ 1	(475)
Stock Repurchased During Period, Shares			(5)
Dividends, Common Stock	(387)			(387)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	712
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(68)	(68)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	712
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	6	6
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(32)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		(32)
Net Income (Loss) Attributable to Parent	806			806
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	806
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	(2)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	23
Stockholders' Equity Attributable to Parent	(7,994)	(380)	$ 0	(7,614)
Shares, Issued			304
OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax	5
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(14)		$ (15)	1
Employee Stock Option and SARs Exercises, Value	(20)		$ (15)	(5)
Employee Stock Option and SARs Exercises, Shares			1
Stock Repurchased During Period, Value	(174)		$ 0	(174)
Stock Repurchased During Period, Shares			(2)
Dividends, Common Stock	(130)			(130)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(13)	(13)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	207
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	2	2
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(37)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		(37)
Net Income (Loss) Attributable to Parent	255			255
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	255
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	(1)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	4
Stockholders' Equity Attributable to Parent	(8,097)	(428)	$ 0	(7,669)				$ (2)
Retained Earnings (Accumulated Deficit)						$ (2)
Shares, Issued			303
Stockholders' Equity Attributable to Parent	(8,016)	(388)	$ 0	(7,628)
Retained Earnings (Accumulated Deficit)	7,628
Shares, Issued			300
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(57)		$ (57)
Employee Stock Option and SARs Exercises, Value	(34)		$ (34)
Employee Stock Option and SARs Exercises, Shares			2
Stock Repurchased During Period, Value	0
Dividends, Common Stock	(426)			(426)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(75)	(75)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	508
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	10	10
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	1
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		1
Net Income (Loss) Attributable to Parent	572			572
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	(4)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	25
Stockholders' Equity Attributable to Parent	(8,108)	(488)	$ 11	(7,631)
Shares, Issued			301
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(15)		$ (15)
Employee Stock Option and SARs Exercises, Value	(3)		$ (3)
Employee Stock Option and SARs Exercises, Shares			1
Stock Repurchased During Period, Value	0
Dividends, Common Stock	(142)			(142)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(1)	(1)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	319
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	2	2
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	35
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		35
Net Income (Loss) Attributable to Parent	283			283
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	(2)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	1
Stockholders' Equity Attributable to Parent	(7,919)	$ (452)	$ 23	$ (7,490)			$ (8)
Retained Earnings (Accumulated Deficit)	$ 7,490				$ (8)
Shares, Issued			302