Goodwill and Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of other intangible assets	$ 214	$ 198	$ 200
Expected amortization expense in 2014	218
Expected amortization expense in 2015	213
Expected amortization expense in 2016	208
Expected amortization expense in 2017	201
Expected amortization expense in 2018	$ 174