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Schedule IV - Summary of Reinsurance (Detail) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of reinsurance transactions [Line Items] |  |  |
Gross amount | € 16,723 | € 17,856 | € 21,174
Ceded to other companies | 2,434 | 2,663 | 3,431
Assumed from other companies | 1,415 | 1,459 | 1,653
Net amount | € 15,704 | € 16,653 | € 19,395
% of amount assumed to net | 9.00% | 9.00% | 9.00%
Life insurance in force [member] |  |  |
Disclosure of reinsurance transactions [Line Items] |  |  |
Gross amount | € 955,451 | € 874,423 | € 863,686
Ceded to other companies | 699,005 | 708,242 | 709,326
Assumed from other companies | 480,723 | 512,735 | 525,201
Net amount | € 737,170 | € 678,915 | € 679,561
% of amount assumed to net | 65.00% | 76.00% | 77.00%
Life insurance [member] |  |  |
Disclosure of reinsurance transactions [Line Items] |  |  |
Gross amount | € 14,524 | € 15,526 | € 18,324
Ceded to other companies | 2,276 | 2,500 | 3,214
Assumed from other companies | 1,402 | 1,443 | 1,628
Net amount | € 13,650 | € 14,470 | € 16,738
% of amount assumed to net | 10.00% | 10.00% | 10.00%
Non-life insurance [member] |  |  |
Disclosure of reinsurance transactions [Line Items] |  |  |
Gross amount | € 2,199 | € 2,330 | € 2,849
Ceded to other companies | 158 | 163 | 217
Assumed from other companies | 13 | 16 | 25
Net amount | € 2,055 | € 2,183 | € 2,657
% of amount assumed to net | 1.00% | 1.00% | 1.00%

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- Definition The amount of assets under reinsurance contracts in which the entity is the policyholder. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2021-01-01 -Name IFRS -Number 4 -IssueDate 2019-01-01 -Paragraph IG20 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2019-en-b&anchor=para_IG20_c&doctype=Implementation%20Guidance&book=b -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2021-01-01 -Name IFRS -Number 4 -IssueDate 2019-01-01 -Paragraph 37 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2019-en-b&anchor=para_37_b&doctype=Standard&book=b -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2021-01-01 -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-b&anchor=para_55&doctype=Standard&book=b -URIDate 2019-03-27 + Details
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- Details
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- Details
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