Basis of Presentation (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2017

The following table presents the effect of aggregate net EAC adjustments:



	Three Months Ended March 31
$ in millions, except per share data	2017		2016
Operating Income	$	115	$	129
Net Earnings⁽¹⁾	75		84
Diluted earnings per share⁽¹⁾	0.43		0.46


⁽¹⁾	Based on statutory tax rates

The components of accumulated other comprehensive loss are as follows:



$ in millions	March 31, 2017			December 31, 2016
Unamortized benefit plan costs, net of tax benefit of $3,378 as of March 31, 2017 and $3,439 as of December 31, 2016	$	(5,317	)	$	(5,416	)
Cumulative translation adjustment	(128		)	(132		)
Net unrealized gain on marketable securities and cash flow hedges, net of tax	4			2
Total accumulated other comprehensive loss	$	(5,441	)	$	(5,546	)