Consolidated Condensed Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income	$ 727.9	$ 1,548.0
Other comprehensive income (loss), net of tax	45.4	(217.3)
Comprehensive income	$ 773.3	$ 1,330.7