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Cash and Cash Equivalents - Disclosure of Cash and Cash Equivalents (Detail) - EUR (€) € in Millions	Dec. 31, 2019	Dec. 31, 2018		Jan. 01, 2018	[1]	Dec. 31, 2017	Dec. 31, 2016
Cash and cash equivalents [abstract]
Cash and cash equivalents	€ 12,263	€ 8,744	[1]	€ 10,768		€ 10,768
Cash classified as Assets held for sale						260
Bank overdrafts						(2)
Bank overdrafts classified as Liabilities held for sale						(1)
Net cash and cash equivalents	€ 12,263	€ 8,744				€ 11,026	€ 11,347
[1] Amounts have been restated to reflect voluntary changes in accounting policies related to liability adequacy testing that was adopted by Aegon effective January 1, 2019. Refer to note 2.1.2 Voluntary changes in accounting policies for details about this change.

X

- Definition

Bank overdrafts classified as liabilities held for sale.

+ References

No definition available.

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- Definition

The amount that has been withdrawn from an account in excess of existing cash balances. This is considered a short-term extension of credit by the bank. [Refer: Cash and cash equivalents]

+ References

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

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- Definition

The amount of cash and cash equivalents that are classified as a part of a disposal group held for sale. [Refer: Cash and cash equivalents; Disposal groups classified as held for sale [member]]

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- Definition

The amount of cash and cash equivalents in the statement of cash flows when different from the amount of cash and cash equivalents in the statement of financial position. [Refer: Cash and cash equivalents]

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