Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues
Net earned premiums	$ 1,687	$ 1,806
Net investment income	558	526
Net realized investment gains (losses):
Other-than-temporary impairment losses	(12)	(2)
Portion of other-than-temporary impairments recognized in Other comprehensive income	0	0
Net other-than-temporary impairment losses recognized in earnings	(12)	(2)
Other net realized investment gains (loss)	22	48
Net realized investment gains (losses)	10	46
Other revenues	97	85
Total revenues	2,352	2,463
Claims, Benefits and Expenses
Insurance claims and policyholders' benefits	1,339	1,446
Amortization of deferred acquisition costs	303	329
Other operating expenses	358	346
Interest	39	44
Total claims, benefits and expenses	2,039	2,165
Income (loss) from continuing operations before income tax	313	298
Income tax expense (benefit)	(80)	(78)
Net income (loss) from continuing operations	233	220
(Loss) income from discontinued operations, net of income tax benefit (expense)	0	(207)
Net income (loss)	$ 233	$ 13
Basic Earnings (Loss) Per Share Attributable to CNA
Income from continuing operations	$ 0.86	$ 0.82
(Loss) income from discontinued operations	$ 0.00	$ (0.77)
Basic earnings per share	$ 0.86	$ 0.05
Diluted Earnings (Loss) Per Share Attributable to CNA
Income (loss) from continuing operations	$ 0.86	$ 0.81
(Loss) income from discontinued operations	$ 0.00	$ (0.76)
Diluted earnings (loss) per share	$ 0.86	$ 0.05
Dividends per share	$ 2.25	$ 1.25
Weighted Average Outstanding Common Stock and Common Stock Equivalents
Basic	0	0
Diluted	0	0