Earnings Per Share (EPS) And Dividends (Dividend Payments On Common Stock) (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Disclosure Earnings Per Share E P S And Dividends Dividend Payments On Common Stock [Abstract]
DIVIDENDS PAID PER SHARE OF COMMON STOCK	$ 0.39	$ 0.37
Dividend Payments on Common Stock	$ 197	$ 187