Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net earnings, including noncontrolling interests	$ 83	$ 77	$ 190	$ 190
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period	130	(245)	267	(166)
Reclassification adjustment for realized gains included in net earnings	(8)	(27)	(20)	(63)
Total net unrealized gains (losses) on securities	122	(272)	247	(229)
Foreign currency translation adjustments	2	(5)	(3)	(9)
Other comprehensive income (loss), net of tax	124	(277)	244	(238)
Total comprehensive income (loss), net of tax	207	(200)	434	(48)
Less: Comprehensive loss attributable to noncontrolling interests	(21)	(40)	(14)	(46)
Comprehensive income (loss) attributable to shareholders	$ 228	$ (160)	$ 448	$ (2)