Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues
Premiums	$ 9,219	$ 9,151
Universal life and investment-type product policy fees	2,421	2,291
Net investment income	5,035	6,077
Other revenues	478	480
Net investment gains (losses):
Other-than-temporary impairments on fixed maturity securities	(14)	(29)
Other-than-temporary impairments on fixed maturity securities transferred to other comprehensive income (loss)	4	(31)
Other net investment gains (losses)	(401)	374
Total net investment gains (losses)	(411)	314
Net derivative gains (losses)	343	(630)
Total revenues	17,085	17,683
Expenses
Policyholder benefits and claims	9,324	9,395
Interest credited to policyholder account balances	1,469	2,590
Policyholder dividends	303	313
Other expenses	4,163	4,138
Total expenses	15,259	16,436
Income (loss) from continuing operations before provision for income tax	1,826	1,247
Provision for income tax expense (benefit)	484	252
Income (loss) from continuing operations, net of income tax	1,342	995
Income (loss) from discontinued operations, net of income tax	(3)	(3)
Net income (loss)	1,339	992
Less: Net income (loss) attributable to noncontrolling interests	11	6
Net income (loss) attributable to MetLife, Inc.	1,328	986
Less: Preferred stock dividends	30	30
Net income (loss) available to MetLife, Inc.'s common shareholders	1,298	956
Comprehensive income (loss)	4,482	178
Less: Comprehensive income (loss) attributable to noncontrolling interests, net of income tax	43	9
Comprehensive income (loss) attributable to MetLife, Inc.	$ 4,439	$ 169
Income (loss) from continuing operations, net of income tax, available to MetLife, Inc.'s common shareholders per common share:
Basic	$ 1.15	$ 0.87
Diluted	$ 1.14	$ 0.87
Net income (loss) available to MetLife, Inc.'s common shareholders per common share:
Basic	$ 1.15	$ 0.87
Diluted	$ 1.14	$ 0.87
Cash dividends declared per common share	$ 0.275	$ 0.185