Level 1 (Notes)	3 Months Ended
Mar. 31, 2016
Equity [Abstract]
Stockholders' Equity Note Disclosure [Text Block]	Capital Purchase Program ("CPP") Warrants As of March 31, 2016 and December 31, 2015, respectively, the Company has 4.3 million and 4.4 million CPP warrants outstanding and exercisable. CPP warrant exercises were approximately 0.2 million and 0.6 million during the three months ended March 31, 2016 and 2015, respectively. The declaration of common stock dividends by the Company in excess of a threshold triggers a provision in the Company's warrant agreement with The Bank of New York Mellon resulting in adjustments to the CPP warrant exercise price. Accordingly, the declaration of a common stock dividend during the three months ended March 31, 2016 resulted in an adjustment to the CPP warrant exercise price. The CPP warrant exercise price was $9.230 as of March 31, 2016 and $9.264 as of December 31, 2015. Equity Repurchase Program The Company's total authorization for equity repurchases is $4.375 billion for the period January 1, 2014 through December 31, 2016 with $980 remaining as of March 31, 2016. During the three months ended March 31, 2016, the Company repurchased 8.4 million common shares for $350. During the period April 1, 2016 to April 27, 2015, the Company repurchased 2.3 million common shares for $105.

Level 1 (Notes)

3 Months Ended

Mar. 31, 2016

Stockholders' Equity Note Disclosure [Text Block]

Capital Purchase Program ("CPP") Warrants

As of March 31, 2016 and December 31, 2015, respectively, the Company has 4.3 million and 4.4 million CPP warrants outstanding and exercisable. CPP warrant exercises were approximately 0.2 million and 0.6 million during the three months ended March 31, 2016 and 2015, respectively.

The declaration of common stock dividends by the Company in excess of a threshold triggers a provision in the Company's warrant agreement with The Bank of New York Mellon resulting in adjustments to the CPP warrant exercise price. Accordingly, the declaration of a common stock dividend during the three months ended March 31, 2016 resulted in an adjustment to the CPP warrant exercise price. The CPP warrant exercise price was $9.230 as of March 31, 2016 and $9.264 as of December 31, 2015.

Equity Repurchase Program

The Company's total authorization for equity repurchases is $4.375 billion for the period January 1, 2014 through December 31, 2016 with $980 remaining as of March 31, 2016.

During the three months ended March 31, 2016, the Company repurchased 8.4 million common shares for $350. During the period April 1, 2016 to April 27, 2015, the Company repurchased 2.3 million common shares for $105.