XML 131 R131.htm IDEA: XBRL DOCUMENT v2.4.0.8
Equity (Dividends and Stock Repurchase Program) (Details) (USD $)
 0 Months Ended 3 Months Ended 12 Months Ended 42 Months Ended
Dec. 18, 2013
Dec. 11, 2013
Nov. 04, 2013
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Equity [Abstract]                              
Dividends declared on common stock (per share amount)     $ 0.05 $ 0.09 $ 0 $ 0.08 $ 0 $ 0.04 $ 0.04 $ 0 $ 0 $ 0.17 $ 0.08 $ 0  
Stock repurchase program, authorized amount   $ 211,000,000                          
Stock repurchase program, remaining authorized repurchase amount   450,000,000                   191,000,000      
Stock issued during period, new issues 46,000,000                            
Share price $ 13.45                            
Stock issued during period, new issues underwriters option 6,000,000                            
Acquisition of treasury stock (shares) 20,000,000                     25,297,042     94,728,430
Treasury stock acquired, average price per share $ 12.912                           $ 12.10
Purchase of treasury stock $ 258,000,000                     $ 322,000,000 $ 301,000,000 $ 279,000,000 $ 1,100,000,000
Treasury stock, shares (in shares)       90,808,168       66,415,984       90,808,168 66,415,984   90,808,168