The dollar is roughly flat in morning trading, a day ahead of the release of minutes of the Federal Reserve's latest policy meeting.
The dollar is little changed against the euro, the British pound and the Swiss franc. It was up against the Canadian dollar. It moved lower against the Japanese yen.
The euro edged up to $1.3357 from $1.3350 on Monday. The British pound slipped to $1.5442 from $1.5461.
The dollar fell to 93.50 Japanese yen from 93.98 yen. It edged up to 0.9239 Swiss franc from 0.9236 Swiss franc, and to 1.0120 Canadian dollar from 1.0109 Canadian dollar.