| Taxes | 1985 | 1984 | 1983 |
| --- | --- | --- | --- |
| Earnings before income taxes: |
| U.S. operations | $ 6,073 | $ 6,983 | $ 6,099 |
| Non-U.S. operations | 5,546 | 4,640 | 3,841 |
| Total | $ 11,619 | $ 11,623 | $ 9,940 |
| Provision for income taxes: |
| U.S. operations | $ 2,596 | $ 2,988 | $ 2,778 |
| Non-U.S. operations | 2,468 | 2,053 | 1,677 |
| Total | 5,064 | 5,041 | 4,455 |
| Social Security, real estate, personal property and other taxes | 1,733 | 1,636 | 1,550 |
| Total | $ 6,817 | $ 6,677 | $ 6,005 |

The components of the provision for income taxes are as follows:

U.S. Federal:
- Current | $ 594 | $ 1,406 | $ 1,624
- Net tax effects of timing differences | 957 | 702 | 188
- Net deferred investment tax credits | 144 | 80 | 47
- Total | 1,695 | 2,188 | 1,859

Non-U.S.:
- Current | 2,886 | 2,102 | 2,250
- Net tax effects of timing differences | 246 | 465 | 32
- Total | 3,132 | 2,567 | 2,282

U.S. State and local:
- Current | 128 | 187 | 265
- Net tax effects of timing differences | 109 | 99 | 49
- Total | 237 | 286 | 314

Total provision | $ 5,064 | $ 5,041 | $ 4,455

The consolidated effective income tax rate was 43.6% in 1985, 43.4% in 1984, and 44.8% in 1983. The consolidated net tax effects of timing differences amounted to $1,312 million and $1,266 million in 1985 and 1984, respectively.

Amounts relating to sales-type leases and installment sales were $643 million in 1985 and $623 million in 1984. Depreciation timing differences accounted for an additional $358 million in 1985. Of the remaining timing differences, no individual item is material.