Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income	$ 2,408.4	$ 2,390.5	$ 4,684.8
Other comprehensive income (loss)
Change in foreign currency translation gains (losses)	(859.8)	(961.4)	36.2
Change in net unrealized gains and losses on securities	(138.1)	(162.2)	204.3
Change in defined benefit pension and retiree health benefit plans	572.9	(1,327.6)	2,592.2
Change in effective portion of cash flow hedges	(42.0)	(14.5)	(123.8)
Other comprehensive income (loss) before income taxes	(467.0)	(2,465.7)	2,708.9
Provision for income taxes related to other comprehensive income (loss) items	(121.9)	476.6	(914.5)
Other comprehensive income (loss)	(588.9)	(1,989.1)	1,794.4
Comprehensive income	$ 1,819.5	$ 401.4	$ 6,479.2