Deposits (Tables)
12 Months Ended
Mar. 31, 2022
Deposits [Abstract]  
Time Deposits by Maturity
The maturity information at March 31, 2022 for domestic and foreign time deposits, including CDs, is summarized as follows:
 Domestic Foreign
 (in millions)
Due in one year or less¥31,917,457 ¥24,814,801 
Due after one year through two years4,230,918 210,799 
Due after two years through three years2,456,467 125,802 
Due after three years through four years604,082 89,178 
Due after four years through five years503,677 41,565 
Due after five years750,898 60,812 
Total¥40,463,499 ¥25,342,957