v3.25.2
Segment Information - Summary of Segment Statement of Operations (Detail) - JPY (¥)
¥ in Millions
 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Disclosure of operating segments line items [Line Items]      
Sales revenues ¥ 48,036,704 ¥ 45,095,325 ¥ 37,154,298
Selling, general and administrative 4,782,452 4,015,383 3,587,990
Operating income 4,795,586 5,352,934 2,725,025
Other income (loss), net (43,497) 17,918 (78,109)
Income before income taxes 6,414,590 6,965,085 3,668,733
Income tax expense 1,624,835 1,893,665 1,175,765
Net income 4,789,755 5,071,421 2,492,967
Net income attributable to Toyota Motor Corporation 4,765,086 4,944,933 2,451,318
Net income attributable to Non-controlling interests 24,670 126,488 41,650
Net income (Consolidated) [Member]      
Disclosure of operating segments line items [Line Items]      
Net income 4,789,755 5,071,421 2,492,967
Net income attributable to Toyota Motor Corporation 4,765,086 4,944,933 2,451,318
Net income attributable to Non-controlling interests 24,670 126,488 41,650
Non-Financial Services Businesses [Member]      
Disclosure of operating segments line items [Line Items]      
Sales revenues 43,787,709 41,832,663 34,409,011
Cost of revenues 35,684,332 33,763,076 29,132,715
Selling, general and administrative 3,984,469 3,278,135 2,990,316
Operating income 4,118,908 4,791,453 2,285,980
Other income (loss), net 1,622,539 1,608,345 943,777
Income before income taxes 5,741,447 6,399,798 3,229,757
Income tax expense 1,446,627 1,741,885 1,040,864
Net income 4,294,820 4,657,913 2,188,893
Net income attributable to Toyota Motor Corporation 4,281,231 4,540,311 2,152,509
Net income attributable to Non-controlling interests 13,589 117,602 36,384
Non-Financial Services Businesses [Member] | Net income [Member]      
Disclosure of operating segments line items [Line Items]      
Net income 4,294,820 4,657,913 2,188,893
Financial Services Business [Member]      
Disclosure of operating segments line items [Line Items]      
Sales revenues 4,481,180 3,484,198 2,809,647
Cost of revenues 2,960,227 2,145,694 1,741,117
Selling, general and administrative 837,435 768,481 631,014
Operating income 683,519 570,023 437,516
Other income (loss), net (10,309) 1,762 (5,013)
Income before income taxes 673,210 571,786 432,503
Income tax expense 178,000 151,785 134,903
Net income 495,210 420,000 297,600
Net income attributable to Toyota Motor Corporation 484,129 411,114 292,334
Net income attributable to Non-controlling interests 11,081 8,886 5,266
Financial Services Business [Member] | Elimination of net income [Member]      
Disclosure of operating segments line items [Line Items]      
Net income (274) (6,492) 6,475
Financial Services Business [Member] | Net income [Member]      
Disclosure of operating segments line items [Line Items]      
Net income ¥ 495,210 ¥ 420,000 ¥ 297,600