Consolidated Statements of Stockholders' Equity $ in Millions	USD ($)
Balance, beginning of year at Dec. 31, 2013	$ 683
Balance, end of period at Sep. 30, 2014	683
Balance, beginning of year at Dec. 31, 2013	2,145
Additional Paid-in Capital
Stock-based compensation	4
Balance, end of period at Sep. 30, 2014	2,149
Balance, beginning of year at Dec. 31, 2013	9,495
Retained Earnings (Accumulated Deficit)
Dividends paid to common stockholders	(473)
Net income (loss)	493
Balance, end of period at Sep. 30, 2014	9,515
Accumulated other comprehensive income (loss), beginning balance at Dec. 31, 2013	442
Accumulated Other Comprehensive Income (Loss)
Other comprehensive income (loss)	331
Accumulated other comprehensive income (loss), ending balance at Sep. 30, 2014	773
Balance, beginning of year at Dec. 31, 2013	(91)
Treasury Stock
Stock Based Compensation and Other	6
Balance, end of period at Sep. 30, 2014	(85)
Balance, beginning of year at Dec. 31, 2013	(23)
Notes Receivable for the Issuance of Common Stock
Decrease (increase) in notes receivable from the issuance of common stock	22
Balance, end of period at Sep. 30, 2014	(1)
Balance, end of period at Sep. 30, 2014	683
Balance, end of period at Sep. 30, 2014	2,149
Retained Earnings (Accumulated Deficit)
Net income (loss)	213
Balance, end of period at Sep. 30, 2014	9,515
Accumulated other comprehensive income (loss), beginning balance at Jun. 30, 2014	962
Accumulated Other Comprehensive Income (Loss)
Other comprehensive income (loss)	(189)
Accumulated other comprehensive income (loss), ending balance at Sep. 30, 2014	773
Balance, end of period at Sep. 30, 2014	(85)
Balance, end of period at Sep. 30, 2014	(1)
Notes Receivable for the Issuance of Common Stock
Total stockholders’ equity	13,034
Total stockholders’ equity	12,794
Balance, beginning of year at Dec. 31, 2014	683
Balance, end of period at Sep. 30, 2015	683
Balance, beginning of year at Dec. 31, 2014	2,151
Additional Paid-in Capital
Stock-based compensation	(1)
Balance, end of period at Sep. 30, 2015	2,150
Balance, beginning of year at Dec. 31, 2014	9,645
Retained Earnings (Accumulated Deficit)
Dividends paid to common stockholders	(744)
Net income (loss)	549
Balance, end of period at Sep. 30, 2015	9,450
Accumulated other comprehensive income (loss), beginning balance at Dec. 31, 2014	400
Accumulated Other Comprehensive Income (Loss)
Other comprehensive income (loss)	(340)
Accumulated other comprehensive income (loss), ending balance at Sep. 30, 2015	60
Balance, beginning of year at Dec. 31, 2014	(84)
Treasury Stock
Stock Based Compensation and Other	6
Balance, end of period at Sep. 30, 2015	(78)
Balance, beginning of year at Dec. 31, 2014	(1)
Notes Receivable for the Issuance of Common Stock
Decrease (increase) in notes receivable from the issuance of common stock	1
Balance, end of period at Sep. 30, 2015	0
Balance, end of period at Sep. 30, 2015	683
Balance, end of period at Sep. 30, 2015	2,150
Retained Earnings (Accumulated Deficit)
Net income (loss)	178
Balance, end of period at Sep. 30, 2015	9,450
Accumulated other comprehensive income (loss), beginning balance at Jun. 30, 2015	143
Accumulated Other Comprehensive Income (Loss)
Other comprehensive income (loss)	(83)
Accumulated other comprehensive income (loss), ending balance at Sep. 30, 2015	60
Balance, end of period at Sep. 30, 2015	(78)
Balance, end of period at Sep. 30, 2015	0
Notes Receivable for the Issuance of Common Stock
Total stockholders’ equity	$ 12,265