Investments- Scheduled Maturities (Details 2) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Amortized cost
Due in one year or less	$ 1,282
Due after one year through five years	5,163
Due after five years through ten years	10,155
Due after ten years	7,436
Subtotal	24,036
ABS, RMBS and CMBS	1,895
Amortized cost	25,931	27,427
Fair value
Due in one year or less	1,304
Due after one year through five years	5,602
Due after five years through ten years	10,709
Due after ten years	8,484
Subtotal	26,099
ABS, RMBS and CMBS	1,991
Fair value	$ 28,090	$ 28,756