| Input Hierarchy of Items Measured at Fair Value on a Recurring Basis [Table Text Block] |
The following tables categorize the fair values of items measured at fair value on a recurring basis at December 31 on our balance sheet (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2014 | | 2013 | | Level 1 | | Level 2 | | Level 3 | | Total | | Level 1 | | Level 2 | | Level 3 | | Total | Automotive Sector | | | | | | | | | | | | | | | | Assets | | | | | | | | | | | | | | | | Cash equivalents – financial instruments | | | | | | | | | | | | | | | | U.S. government and agencies | $ | — |
| | $ | 64 |
| | $ | — |
| | $ | 64 |
| | $ | — |
| | $ | 33 |
| | $ | — |
| | $ | 33 |
| Non-U.S. government and agencies | — |
| | 122 |
| | — |
| | 122 |
| | — |
| | 200 |
| | — |
| | 200 |
| Corporate debt | — |
| | 20 |
| | — |
| | 20 |
| | — |
| | — |
| | — |
| | — |
| Total cash equivalents (a) | — |
| | 206 |
| | — |
| | 206 |
| | — |
| | 233 |
| | — |
| | 233 |
| Marketable securities | |
| | | | | | | | | | | | | | | U.S. government and agencies | 969 |
| | 5,789 |
| | — |
| | 6,758 |
| | 3,752 |
| | 6,596 |
| | — |
| | 10,348 |
| Non-U.S. government and agencies | — |
| | 7,004 |
| | — |
| | 7,004 |
| | — |
| | 6,538 |
| | — |
| | 6,538 |
| Corporate debt | — |
| | 2,738 |
| | — |
| | 2,738 |
| | — |
| | 2,623 |
| | — |
| | 2,623 |
| Equities | 322 |
| | — |
| | — |
| | 322 |
| | 341 |
| | — |
| | — |
| | 341 |
| Other marketable securities | — |
| | 313 |
| | — |
| | 313 |
| | — |
| | 307 |
| | — |
| | 307 |
| Total marketable securities | 1,291 |
| | 15,844 |
| | — |
| | 17,135 |
| | 4,093 |
| | 16,064 |
| | — |
| | 20,157 |
| Derivative financial instruments (b) | — |
| | 517 |
| | — |
| | 517 |
| | — |
| | 579 |
| | 1 |
| | 580 |
| Total assets at fair value | $ | 1,291 |
| | $ | 16,567 |
| | $ | — |
| | $ | 17,858 |
| | $ | 4,093 |
| | $ | 16,876 |
| | $ | 1 |
| | $ | 20,970 |
| Liabilities | |
| | |
| | |
| | | | | | | | | | | Derivative financial instruments (b) | $ | — |
| | $ | 710 |
| | $ | 3 |
| | $ | 713 |
| | $ | — |
| | $ | 416 |
| | $ | 2 |
| | $ | 418 |
| Total liabilities at fair value | $ | — |
| | $ | 710 |
| | $ | 3 |
| | $ | 713 |
| | $ | — |
| | $ | 416 |
| | $ | 2 |
| | $ | 418 |
| | | | | | | | | | | | | | | | | Financial Services Sector | | | | | | | | | | | | | | | | Assets | | | | | | | | | | | | | | | | Cash equivalents – financial instruments | | | | | | | | | | | | | | | | Non-U.S. government and agencies | — |
| | 341 |
| | — |
| | 341 |
| | — |
| | 24 |
| | — |
| | 24 |
| Corporate debt | — |
| | 10 |
| | — |
| | 10 |
| | — |
| | — |
| | — |
| | — |
| Total cash equivalents (a) | — |
| | 351 |
| | — |
| | 351 |
| | — |
| | 24 |
| | — |
| | 24 |
| Marketable securities | | | |
| | | | | | | | | | | | | U.S. government and agencies | 17 |
| | 1,251 |
| | — |
| | 1,268 |
| | 418 |
| | 25 |
| | — |
| | 443 |
| Non-U.S. government and agencies | — |
| | 405 |
| | — |
| | 405 |
| | — |
| | 184 |
| | — |
| | 184 |
| Corporate debt | — |
| | 1,555 |
| | — |
| | 1,555 |
| | — |
| | 1,273 |
| | — |
| | 1,273 |
| Other marketable securities | — |
| | 30 |
| | — |
| | 30 |
| | — |
| | 43 |
| | — |
| | 43 |
| Total marketable securities | 17 |
| | 3,241 |
| | — |
| | 3,258 |
| | 418 |
| | 1,525 |
| | — |
| | 1,943 |
| Derivative financial instruments (b) | — |
| | 859 |
| | — |
| | 859 |
| | — |
| | 585 |
| | — |
| | 585 |
| Total assets at fair value | $ | 17 |
| | $ | 4,451 |
| | $ | — |
| | $ | 4,468 |
| | $ | 418 |
| | $ | 2,134 |
| | $ | — |
| | $ | 2,552 |
| Liabilities | | | | | | | | | | | | | | | | Derivative financial instruments (b) | $ | — |
| | $ | 167 |
| | $ | — |
| | $ | 167 |
| | $ | — |
| | $ | 506 |
| | $ | — |
| | $ | 506 |
| Total liabilities at fair value | $ | — |
| | $ | 167 |
| | $ | — |
| | $ | 167 |
| | $ | — |
| | $ | 506 |
| | $ | — |
| | $ | 506 |
|
__________ | | (a) | Excludes time deposits, certificates of deposit, money market accounts, and other cash equivalents reported at par value on our balance sheet totaling $3.3 billion and $2.8 billion for Automotive sector and $3.8 billion and $6.7 billion for Financial Services sector at December 31, 2014 and December 31, 2013, respectively. In addition to these cash equivalents, we also had cash on hand totaling $1.1 billion and $2 billion for Automotive sector and $2 billion and $2.8 billion for Financial Services sector at December 31, 2014 and December 31, 2013, respectively. |
| | (b) | See Note 16 for additional information regarding derivative financial instruments. |
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