The U.S. dollar traded mixed against major currencies on Tuesday, weakened against Japanese yen as the Bank of Japan's open-ended asset purchasing program will only start from next year.

Japan's central bank concluded a two-day policy meeting on Tuesday. It decided to double the inflation target to 2 percent. The bank would also purchase government bonds and other relatively safe assets without setting a deadline starting from 2014.

Japanese Prime Minster Shinzo Abe said the issue of the joint statement was significant for bold monetary easing policy.

The dollar broke through the level of 90 against the yen before meeting on bets that the Bank of Japan would launch massive stimulus policy, but the rate dropped as the asset-buying plan will only be kicked off next year.

On the economic front, U.S. existing home sales for December lost 1 percent to a seasonally adjusted annual rate of 4.94 million units, weaker than market estimation, the National Association of Realtors said Monday.

In late New York trading, the euro fell to 1.3318 dollars from 1.3321 dollars of the previous session and the British pound dipped to 1.5844 dollars from 1.5864.

The dollar slipped to 0.9292 Swiss francs from 0.9348 and went up to 0.9926 Canadian dollars from 0.9925. The dollar bought 88.74 Japanese yen, lower than 90.04 in the previous session.