Earnings Per Share (EPS) And Dividends (Dividend Payments On Common Stock) (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
DIVIDENDS PAID PER SHARE OF COMMON STOCK (in dollars per share)	$ 0.39	$ 0.37	$ 0.78	$ 0.74
Dividend Payments on Common Stock	$ 197	$ 187	$ 394	$ 374