Statement Of Cash Flows [Abstract]

NN Group N.V. - Filing #2154250

Concept	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-01-01
Statement of cash flows [abstract]
Cash flows from (used in) operating activities [abstract]
Dividends received, classified as operating activities	608,000,000 EUR	—	—	609,000,000 EUR	—
Interest paid, classified as operating activities	762,000,000 EUR	—	—	569,000,000 EUR	—
Interest received, classified as operating activities	4,193,000,000 EUR	—	—	3,876,000,000 EUR	—
Cash flows from (used in) operating activities	62,000,000 EUR	—	—	8, 119 EUR	—
Cash flows from (used in) investing activities [abstract]
Cash flows from losing control of subsidiaries or other businesses, classified as investing activities	19,000,000 EUR	—	—	1,508,000,000 EUR	—
Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities	18,000,000 EUR	—	—	547,000,000 EUR	—
Cash flows from (used in) investing activities	4,533,000,000 EUR	—	—	6, 012 EUR	—
Cash flows from (used in) financing activities [abstract]
Payments to acquire or redeem entity's shares	632,000,000 EUR	—	—	1,391,000,000 EUR	—
Proceeds from borrowings, classified as financing activities	9,595,000,000 EUR	—	—	10,090,000,000 EUR	—
Repayments of borrowings, classified as financing activities	10,938,000,000 EUR	—	—	5,716,000,000 EUR	—
Dividends paid, classified as financing activities	428,000,000 EUR	—	—	535,000,000 EUR	—
Cash flows from (used in) financing activities	2,986,000,000 EUR	—	—	1, 764 EUR	—
Increase (decrease) in cash and cash equivalents before effect of exchange rate changes	1,609,000,000 EUR	—	—	343,000,000 EUR	—
Effect of exchange rate changes on cash and cash equivalents [abstract]
Effect of exchange rate changes on cash and cash equivalents	72,000,000 EUR	—	—	142,000,000 EUR	—
Cash and cash equivalents	—	8,207,000,000 EUR	6,670,000,000 EUR	—	6,929,000,000 EUR