CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net earnings	$ 24	$ 168	$ 181	$ 249
Other comprehensive income (loss):
Foreign currency translation adjustments	9	(2)	11	39
Actuarial gains, net of tax expense of $24, $17, $50 and $25	43	31	72	41
Prior service costs, net of tax benefit of $1, $1, $1 and $0	(3)	0	(4)	(2)
Unrealized gains on available-for-sale securities	0	1	1	1
Total other comprehensive income	49	30	80	79
Total comprehensive income	$ 73	$ 198	$ 261	$ 328