Goodwill And Other Intangible Assets, Net (Other Intangible Assets Disclosure) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Indefinite-lived intangible assets	$ 11,701	$ 11,701
Definite-lived intangible assets	464	464
Total other intangible assets	12,165	12,165
Indefinite Lived Intangible Assets Excluding Goodwill Accumulated Amortization	0	0
Definite-lived intangible assets, Accumulated Amortization	87	67
Total other intangible assets, Accumulated Amortization	$ 87	$ 67