To estimate the Net Debt / EBITDA ratio for 2022 according to S&P methodology, we identify the necessary components from the provided data as of the end of 2022 (noted as 2023-01-01 in the report for the financial position):

**1. EBITDA:**
The provided "Gross Operating Income EBITDA" for the period 2022-01-01 to 2023-01-01 is 1,505,000,000 EUR.

**2. Net Debt:**
In S&P methodology, Net Debt generally consists of total financial debt (current and non-current) minus cash and cash equivalents.
*   **Other Noncurrent Financial Liabilities:** 5,867,000,000 EUR
*   **Other Current Financial Liabilities:** 1,022,000,000 EUR
*   **Total Debt:** 5,867,000,000 + 1,022,000,000 = 6,889,000,000 EUR
*   **Cash and Cash Equivalents:** 2,584,000,000 EUR
*   **Net Debt:** 6,889,000,000 - 2,584,000,000 = 4,305,000,000 EUR

**3. Ratio Calculation:**
Net Debt / EBITDA = 4,305,000,000 / 1,505,000,000 ≈ 2.860465

Rounding to a standard representation:

<answer>2.86</answer>