CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2025
$ / shares
|
Sep. 30, 2025
SFr / shares
|
Sep. 30, 2024
$ / shares
|
Sep. 30, 2024
SFr / shares
|
Sep. 30, 2025
$ / shares
|
Sep. 30, 2025
SFr / shares
|
Sep. 30, 2024
$ / shares
|
Sep. 30, 2024
SFr / shares
|
|
| Statement of Stockholders' Equity [Abstract] | ||||||||
| Cash dividends per share (in dollars per share) | (per share) | $ 1.58 | SFr 1.26 | $ 1.37 | SFr 1.16 | $ 1.58 | SFr 1.26 | $ 1.37 | SFr 1.16 |