Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2014

Accumulated Other Comprehensive Income (Loss) [Abstract]

Changes in accumulated other comprehensive income (loss)

			Tax
			(Expense)
(In millions)	Pre-Tax		Benefit		After-Tax
2014
Net unrealized appreciation securities, January 1,	$	733	$	(256)	$	477
Net unrealized appreciation on securities arising during the year		249		(89)		160
Reclassification adjustment for (gains) included in shareholders' net income (realized investment gains)		(27)		10		(17)
Net unrealized appreciation, securities arising during the year		222		(79)		143
Net unrealized appreciation, securities, December 31,	$	955	$	(335)	$	620
Net unrealized depreciation, derivatives, January 1,	$	(29)	$	10	$	(19)
Net unrealized appreciation, derivatives arising during the year		17		(6)		11
Net unrealized depreciation, derivatives, December 31,	$	(12)	$	4	$	(8)
Net translation of foreign currencies, January 1,	$	91	$	(9)	$	82
Net translation of foreign currencies arising during the year		(162)		18		(144)
Net translation of foreign currencies, December 31,	$	(71)	$	9	$	(62)
Postretirement benefits liability adjustment, January 1,	$	(1,630)	$	570	$	(1,060)
Reclassification adjustment for amortization of net losses from past experience and prior service costs (other operating expenses)		54		(18)		36
Reclassification adjustment for settlement (other operating expenses)		6		(2)		4
Total reclassification adjustment to shareholders' net income (other operating expenses)		60		(20)		40
Net change due to valuation update		(716)		250		(466)
Net postretirement benefits liability adjustment arising during the year		(656)		230		(426)
Postretirement benefits liability adjustment, December 31,	$	(2,286)	$	800	$	(1,486)

			Tax
			(Expense)
(In millions)	Pre-Tax		Benefit		After-Tax
2013
Net unrealized appreciation, securities, January 1,	$	1,352	$	(465)	$	887
Net unrealized depreciation on securities arising during the year		(498)		166		(332)
Reclassification adjustment for (gains) included in shareholders' net income (realized investment gains)		(121)		43		(78)
Net unrealized depreciation, securities arising during the year		(619)		209		(410)
Net unrealized appreciation, securities, December 31,	$	733	$	(256)	$	477
Net unrealized depreciation, derivatives, January 1,	$	(43)	$	15	$	(28)
Net unrealized appreciation, derivatives, arising during the year		14		(5)		9
Net unrealized depreciation, derivatives, December 31,	$	(29)	$	10	$	(19)
Net translation of foreign currencies, January 1,	$	91	$	(22)	$	69
Net translation of foreign currencies, arising during the year		-		13		13
Net translation of foreign currencies, December 31,	$	91	$	(9)	$	82
Postretirement benefits liability adjustment, January 1,	$	(2,460)	$	861	$	(1,599)
Reclassification adjustment for amortization of net losses from past experience
and prior service costs (other operating expenses)		70		(25)		45
Reclassification adjustment for curtailment gain (other operating expenses)		(19)		7		(12)
Total reclassification adjustment to shareholders' net income (other operating expenses)		51		(18)		33
Net change due to valuation update and plan amendments		779		(273)		506
Net postretirement benefits liability adjustment arising during the year		830		(291)		539
Postretirement benefits liability adjustment, December 31,	$	(1,630)	$	570	$	(1,060)

			Tax
			(Expense)
(In millions)	Pre-Tax		Benefit		After-Tax
2012
Net unrealized appreciation, securities, January 1,	$	1,133	$	(393)	$	740
Net unrealized appreciation on securities arising during the year		271		(90)		181
Reclassification adjustment for (gains) included in net income (realized investment gains)		(52)		18		(34)
Net unrealized appreciation, securities arising during the year		219		(72)		147
Net unrealized appreciation, securities, December 31,	$	1,352	$	(465)	$	887
Net unrealized depreciation, derivatives, January 1,	$	(36)	$	13	$	(23)
Net unrealized depreciation, derivatives arising during the year		(7)		2		(5)
Net unrealized depreciation, derivatives, December 31,	$	(43)	$	15	$	(28)
Net translation of foreign currencies, January 1,	$	13	$	(10)	$	3
Net translation of foreign currencies arising during the year		78		(12)		66
Net translation of foreign currencies, December 31,	$	91	$	(22)	$	69
Postretirement benefits liability adjustment, January 1,	$	(2,331)	$	824	$	(1,507)
Reclassification adjustment for amortization of net losses from past experience
and prior service costs and settlement charges (other operating expenses)		52		(18)		34
Net change due to valuation update and plan amendments		(181)		55		(126)
Net postretirement benefits liability adjustment arising during the year		(129)		37		(92)
Postretirement benefits liability adjustment, December 31,	$	(2,460)	$	861	$	(1,599)