Level 3 Assets | ||||||||||||||||||||||||
Total | U.S. Equity Securities | Non-U.S. Equity Securities | Debt- Corporate Issued | Debt- Asset- Backed | Hedge Funds | Private Market Securities | Real Estate | |||||||||||||||||
Beginning balance at December 31, 2011 | $ | 4,500 | $ | 28 | $ | — | $ | 30 | $ | 4 | $ | 392 | $ | 2,959 | $ | 1,087 | ||||||||
Realized gain (loss) | 14 | (3 | ) | — | — | — | (6 | ) | 23 | — | ||||||||||||||
Change in unrealized gain (loss) | 253 | (8 | ) | — | (10 | ) | — | 17 | 179 | 75 | ||||||||||||||
Purchases, sales and settlements, net | (134 | ) | (1 | ) | — | 7 | (2 | ) | (16 | ) | (114 | ) | (8 | ) | ||||||||||
Transfers (out) in of Level 3 | (123 | ) | 2 | — | — | — | — | (125 | ) | — | ||||||||||||||
Ending balance at December 31, 2012 | $ | 4,510 | $ | 18 | $ | — | $ | 27 | $ | 2 | $ | 387 | $ | 2,922 | $ | 1,154 | ||||||||
Realized gain (loss) | 42 | — | — | — | — | 3 | 39 | — | ||||||||||||||||
Change in unrealized gain (loss) | 192 | 5 | 1 | (8 | ) | — | 22 | 95 | 77 | |||||||||||||||
Purchases, sales and settlements, net | (278 | ) | 6 | 1 | (1 | ) | — | 22 | (181 | ) | (125 | ) | ||||||||||||
Transfers in (out) of Level 3 | 4 | (2 | ) | 1 | 1 | 2 | — | 2 | — | |||||||||||||||
Ending balance at December 31, 2013 | $ | 4,470 | $ | 27 | $ | 3 | $ | 19 | $ | 4 | $ | 434 | $ | 2,877 | $ | 1,106 | ||||||||