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Restructuring, Impairment, and Related Charges, Net - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2024
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, impairment, and related charges, net |  | $ 245 | $ 344 | $ 115
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Cost of Product and Service Sold, Restructuring, impairment, and related charges, net | Cost of Product and Service Sold, Restructuring, impairment, and related charges, net | Cost of Product and Service Sold, Restructuring, impairment, and related charges, net
Restructuring, impairment, and related charges, net |  | $ 245 | $ 286 | $ 115
Long-lived asset impairment charges, before tax |  | 0 |  |
Strategic Growth Initiative Plan - Operational Efficiencies and Cost Optimization |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, impairment, and related charges, net |  | 170 | 298 |
Minimum | Employee severance and other employee-related costs, facility and other exit-related costs including long-lived asset impairments |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, impairment, and related charges, net | $ 200 |  |  |
Minimum | Strategic Growth Initiative Plan - Operational Efficiencies and Cost Optimization |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, anticipated total charges | 650 | 650 |  |
Maximum | Employee severance and other employee-related costs, facility and other exit-related costs including long-lived asset impairments |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, impairment, and related charges, net | 250 |  |  |
Maximum | Strategic Growth Initiative Plan - Operational Efficiencies and Cost Optimization |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, anticipated total charges | $ 700 | $ 700 |  |
Restructuring, Impairment, And Related Charges, Net |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, impairment, and related charges, net |  |  | 286 |
Cost of Sales |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, impairment, and related charges, net |  |  | $ 58 |

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