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Schedule IV - Reinsurance (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Life insurance in force |  |  |
Gross amount | $ 208,417,000,000 | $ 219,785,000,000 | $ 207,434,000,000
Ceded to other companies | 67,319,000,000 | 74,021,000,000 | 81,186,000,000
Assumed from other companies | 217,020,000,000 | 229,419,000,000 | 243,161,000,000
Net amount | $ 358,118,000,000 | $ 375,183,000,000 | $ 369,409,000,000
Percentage of amount assumed to net | 60.60% | 61.10% | 65.80%
Premiums and contract charges: |  |  |
Property and casualty insurance | $ 40,116,000,000 | $ 39,178,000,000 | $ 36,978,000,000
Ceded to other companies | 1,383,000,000 | 1,407,000,000 | 1,306,000,000
Assumed from other companies | 784,000,000 | 806,000,000 | 841,000,000
Net amount | $ 39,517,000,000 | $ 38,577,000,000 | $ 36,513,000,000
Percentage of amount assumed to net | 2.00% | 2.10% | 2.30%
Reinsurance or coinsurance income netted against premium ceded | $ 0 | $ 0 | $ 0
Life insurance |  |  |
Premiums and contract charges: |  |  |
Property and casualty insurance | 1,053,000,000 | 1,062,000,000 | 994,000,000
Ceded to other companies | 222,000,000 | 262,000,000 | 266,000,000
Assumed from other companies | 685,000,000 | 712,000,000 | 754,000,000
Net amount | $ 1,516,000,000 | $ 1,512,000,000 | $ 1,482,000,000
Percentage of amount assumed to net | 45.20% | 47.10% | 50.90%
Accident and health insurance |  |  |
Premiums and contract charges: |  |  |
Property and casualty insurance | $ 948,000,000 | $ 1,012,000,000 | $ 1,007,000,000
Ceded to other companies | 20,000,000 | 23,000,000 | 24,000,000
Assumed from other companies | 0 | 0 | 0
Net amount | $ 928,000,000 | $ 989,000,000 | $ 983,000,000
Percentage of amount assumed to net | 0.00% | 0.00% | 0.00%
Property and casualty insurance |  |  |
Premiums and contract charges: |  |  |
Property and casualty insurance | $ 38,115,000,000 | $ 37,104,000,000 | $ 34,977,000,000
Ceded to other companies | 1,141,000,000 | 1,122,000,000 | 1,016,000,000
Assumed from other companies | 99,000,000 | 94,000,000 | 87,000,000
Net amount | $ 37,073,000,000 | $ 36,076,000,000 | $ 34,048,000,000
Percentage of amount assumed to net | 0.30% | 0.30% | 0.30%

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- Definition Percentage of assumed life insurance contract issued and outstanding to life insurance contract issued and outstanding after effect of reinsurance, as disclosed in supplementary reinsurance information. Includes, but is not limited to, dividend and adjustment to face value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column F -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column F)) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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