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Equity - Reserves for Other Comprehensive Income (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Reserves within equity |  |
Balance | € 44,519 | € 37,493
Balance | 55,230 | 44,519
Reserve for OCI on cash flow hedge derivatives |  |
Reserves within equity |  |
Balance | (896) | (5)
Changes of the year | (2,750) | (1,045)
Reversal to inventories adjustments | (6) | 1
Reclassification adjustments | 3,310 | 153
Balance | (342) | (896)
Reserve for OCI on cash flow hedge derivatives | Gross reserve |  |
Reserves within equity |  |
Balance | (1,269) | (7)
Changes of the year | (3,883) | (1,479)
Reversal to inventories adjustments | (8) | 2
Reclassification adjustments | 4,677 | 215
Balance | (483) | (1,269)
Reserve for OCI on cash flow hedge derivatives | Deferred tax liabilities, gross |  |
Reserves within equity |  |
Balance | 373 | 2
Changes of the year | 1,133 | 434
Reversal to inventories adjustments | 2 | (1)
Reclassification adjustments | (1,367) | (62)
Balance | 141 | 373
Reserve for OCI on defined benefit plans |  |
Reserves within equity |  |
Balance | (117) | (158)
Changes of the year | 55 | 42
Currency translation differences | 1 | (1)
Changes in scope of consolidation | 3 |
Balance | (58) | (117)
OCI relating to equity-accounted investments | 1 | (4)
Reserve for OCI on defined benefit plans | Gross reserve |  |
Reserves within equity |  |
Balance | (84) | (205)
Changes of the year | 60 | 119
Currency translation differences | 1 | 2
Changes in scope of consolidation | 3 |
Balance | (20) | (84)
Reserve for OCI on defined benefit plans | Deferred tax liabilities, gross |  |
Reserves within equity |  |
Balance | (33) | 47
Changes of the year | (5) | (77)
Currency translation differences |  | (3)
Balance | (38) | (33)
Reserve for OCI on equity-accounted investments |  |
Reserves within equity |  |
Balance | 54 | 85
Changes of the year | 92 | (32)
Currency translation differences |  | 1
Changes in scope of consolidation | 1 |
Reclassification adjustments | (101) |
Balance | 46 | 54
Reserve for OCI on Investments fair value |  |
Reserves within equity |  |
Balance | 141 | 36
Changes of the year | 56 | 105
Reclassification to retained earnings | (144) |
Balance | € 53 | € 141

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