Card 1 / 500MM Technical
Procure-to-Pay
QuestionEasy
Walk me through the complete Procure-to-Pay (P2P) cycle in S/4HANA MM and the key integration points with FI.
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Answer#1
- The full cycle is PR (ME51N) → source determination → PO (ME21N) → goods receipt (MIGO) → invoice verification (MIRO) → payment via FI-AP, and each step posts in real-time to ACDOCA.
- Key FI integration: GR posts a debit to Inventory (BSX) and a credit to GR/IR clearing (WRX); IR reverses the GR/IR and posts to the vendor sub-ledger plus tax accounts.
- In S/4HANA, the Universal Journal captures all of this in one table, so reconciliation between MM and FI is instantaneous — unlike ECC where we relied on batch reconciliations like F.13 and MR11.
- I always tell the team: if there's a P2P discrepancy, start in ACDOCA with the material and plant filters — you'll see the entire document chain instantly.
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