| Pension Assets | Equities | Fixed Income Funds | Private Equity Funds | Real Estate and Real Assets | Total | |||||||||
| Balance at beginning of year | $ | - | $ | 1,042 | $ | 5,797 | $ | 4,766 | $ | 11,605 | ||||
| Realized gains (losses) | (3) | 53 | 390 | 122 | 562 | |||||||||
| Unrealized gains (losses) | 3 | (8) | 546 | 525 | 1,066 | |||||||||
| Transfers in | - | 5 | - | - | 5 | |||||||||
| Transfers out | - | (442) | - | - | (442) | |||||||||
| Purchases | - | 75 | 1,214 | 354 | 1,643 | |||||||||
| Sales | - | (178) | (2,223) | (573) | (2,974) | |||||||||
| Balance at end of year | $ | - | $ | 547 | $ | 5,724 | $ | 5,194 | $ | 11,465 |
| Postretirement Assets | Fixed Income Funds | Private Equity Funds | Real Assets | Total | |||||||
| Balance at beginning of year | $ | 21 | $ | 343 | $ | 110 | $ | 474 | |||
| Realized gains (losses) | - | 2 | 12 | 14 | |||||||
| Unrealized gains (losses) | 1 | 58 | 4 | 63 | |||||||
| Transfers in | 1 | - | - | 1 | |||||||
| Transfers out | (1) | - | - | (1) | |||||||
| Purchases | 5 | 89 | 27 | 121 | |||||||
| Sales | (1) | (183) | (42) | (226) | |||||||
| Balance at end of year | $ | 26 | $ | 309 | $ | 111 | $ | 446 |
| Pension Assets | Equities | Fixed Income Funds | Private Equity Funds | Real Estate and Real Assets | Total | |||||||||
| Balance at beginning of year | $ | 4 | $ | 824 | $ | 5,931 | $ | 5,213 | $ | 11,972 | ||||
| Realized gains (losses) | (1) | 16 | 459 | 165 | 639 | |||||||||
| Unrealized gains (losses) | 1 | 33 | 32 | 10 | 76 | |||||||||
| Transfers in | - | 120 | 12 | 24 | 156 | |||||||||
| Transfers out | - | (2) | - | - | (2) | |||||||||
| Purchases | - | 142 | 610 | 918 | 1,670 | |||||||||
| Sales | (4) | (91) | (1,247) | (1,564) | (2,906) | |||||||||
| Balance at end of year | $ | - | $ | 1,042 | $ | 5,797 | $ | 4,766 | $ | 11,605 | ||||
| Postretirement Assets | Fixed Income Funds | Private Equity Funds | Real Assets | Total | |||||||
| Balance at beginning of year | $ | 24 | $ | 437 | $ | 124 | $ | 585 | |||
| Realized gains (losses) | - | 58 | 16 | 74 | |||||||
| Unrealized gains (losses) | - | (39) | (5) | (44) | |||||||
| Purchases | - | 20 | 33 | 53 | |||||||
| Sales | (3) | (133) | (58) | (194) | |||||||
| Balance at end of year | $ | 21 | $ | 343 | $ | 110 | $ | 474 | |||