Operating Segment and Revenue Information - Narrative (Details) - JPY (¥) ¥ in Millions |
12 Months Ended | ||
---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
|
Disclosure of major customers [line items] | |||
Revenue from contracts with customers | ¥ 4,581,551 | ¥ 4,263,762 | ¥ 4,027,478 |
Revenue that was included in contract liability balance at beginning of period | 5,634 | 5,526 | 49,319 |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 97,560 | 80,794 | 79,251 |
Cencora Group | Customer risk concentration, net sales | |||
Disclosure of major customers [line items] | |||
Revenue from contracts with customers | 577,017 | 579,065 | 575,294 |
McKesson Group | Customer risk concentration, net sales | |||
Disclosure of major customers [line items] | |||
Revenue from contracts with customers | ¥ 592,323 | 578,767 | 540,356 |
Cardinal Health Group | Customer risk concentration, net sales | |||
Disclosure of major customers [line items] | |||
Revenue from contracts with customers | ¥ 436,951 | ¥ 424,527 |