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	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(39)		$ (39)
Employee Stock Option and SARs Exercises, Value	(51)		$ (38)	(13)
Employee Stock Option and SARs Exercises, Shares			1
Stock Repurchased During Period, Value	(302)		$ 1	(301)
Stock Repurchased During Period, Shares			(3)
Dividends, Common Stock	(257)			(257)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	505
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(55)	(55)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	505
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	4	4
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	5
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		5
Net Income (Loss) Attributable to Parent	551			551
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	551
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	(1)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	19
Stockholders' Equity Attributable to Parent	(7,904)	(324)	$ 0	(7,580)
Shares, Issued			306
OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax	4
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(14)		$ (14)
Employee Stock Option and SARs Exercises, Value	(13)		(13)
Stock Repurchased During Period, Value	(196)		$ 1	(195)
Stock Repurchased During Period, Shares			(2)
Dividends, Common Stock	(128)			(128)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(32)	(32)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	233
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	1	1
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(25)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		(25)
Net Income (Loss) Attributable to Parent	289			289
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	289
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	11
Stockholders' Equity Attributable to Parent	(7,994)	(380)	$ 0	(7,614)				$ (2)
Retained Earnings (Accumulated Deficit)						$ (2)
Shares, Issued			304
Stockholders' Equity Attributable to Parent	(8,016)	(388)	$ 0	(7,628)
Retained Earnings (Accumulated Deficit)	7,628
Shares, Issued			300
OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(42)		$ (42)
Employee Stock Option and SARs Exercises, Value	(31)		$ (31)
Employee Stock Option and SARs Exercises, Shares			1
Stock Repurchased During Period, Value	0
Dividends, Common Stock	(284)			(284)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(74)	(74)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	189
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	8	8
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(34)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		(34)
Net Income (Loss) Attributable to Parent	289			289
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	(2)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	24
Stockholders' Equity Attributable to Parent	(8,229)	(549)	$ 15	(7,695)
Shares, Issued			301
OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(14)		$ (14)
Employee Stock Option and SARs Exercises, Value	(18)		(18)
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	(11)	(11)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	267
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	4	4
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	68
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		68
Net Income (Loss) Attributable to Parent	206			206
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	0
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	(8,108)	$ (488)	$ 11	$ (7,631)			$ (8)
Retained Earnings (Accumulated Deficit)	$ 7,631				$ (8)
Shares, Issued			301