Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions		Total	Common Stock $1 par	Additional Paid-in Capital	Retained Income	Accumulated Other Comprehensive Loss	Less: Treasury Stock	Total MHFI Equity	Noncontrolling Interests
Balance as of December 31, 2014 at Dec. 31, 2014		$ 539	$ 412	$ 493	$ 6,946	$ (514)	$ 6,849	$ 488	$ 51
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive Income	[1]	877			909	(39)		870	7
Dividends		(278)			(270)			(270)	(8)
Share repurchases		(505)					501	(501)	(4)
Employee stock plans, net of tax benefit		65		(52)			(116)	64	1
Change in redemption value of redeemable noncontrolling interest		7			7			7
Other		1							1
Balance as of September 30, 2015 at Sep. 30, 2015		704	412	441	7,592	(553)	7,234	658	46
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to noncontrolling interest		76
Balance as of December 31, 2014 at Jun. 30, 2015		704
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share repurchases								(227)
Balance as of September 30, 2015 at Sep. 30, 2015		$ 704	$ 412	$ 441	$ 7,592	$ (553)	$ 7,234	$ 658	$ 46

[1] Excludes $76 million attributable to our redeemable noncontrolling interest.