Shareholders' Equity Shareholder's Equity Dividends (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Common Stock, Dividends, Per Share, Cash Paid	$ 1.0525	$ 0.8000	$ 0.6125
Payments of Dividends	$ 1,056	$ 820	$ 651