| NOTE 7. Marketable Securities | |||||||
| June 30, | Dec. 31, | ||||||
| (Millions) | 2009 | 2008 | |||||
| Agency securities | $ | 150 | $ | 180 | |||
| Corporate securities | 99 | 145 | |||||
| Asset-backed securities: | |||||||
| Automobile loans related | 65 | 24 | |||||
| Credit cards related | 19 | — | |||||
| Other | 20 | 11 | |||||
| Asset-backed securities total | 104 | 35 | |||||
| Other securities | 25 | 13 | |||||
| Current marketable securities | $ | 378 | $ | 373 | |||
| Agency securities | $ | 36 | $ | 200 | |||
| Corporate securities | 53 | 62 | |||||
| Treasury securities | 83 | 12 | |||||
| Asset-backed securities: | |||||||
| Automobile loans related | 57 | 25 | |||||
| Credit cards related | 64 | 40 | |||||
| Other | 10 | 11 | |||||
| Asset-backed securities total | 131 | 76 | |||||
| Auction rate and other securities | 4 | 2 | |||||
| Non-current marketable securities | $ | 307 | $ | 352 | |||
| Total marketable securities | $ | 685 | $ | 725 | |||
| June 30, | |||||||
| (Millions) | 2009 | ||||||
| Due in one year or less | $ | 309 | |||||
| Due after one year through three years | 232 | ||||||
| Due after three years through five years | 126 | ||||||
| Due after five years | 18 | ||||||
| Total marketable securities | $ | 685 | |||||