Information Provided In Connection With Outstanding Debt Of Subsidiaries (Condensed Consolidating Balance Sheet) (Detail) - USD ($) $ in Millions |
Jun. 30, 2016 |
Dec. 31, 2015 |
Jun. 30, 2015 |
Dec. 31, 2014 |
[4] | |||||||||||
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Condensed Financial Statements, Captions [Line Items] | ||||||||||||||||
Investments | $ 99,846 | $ 66,251 | ||||||||||||||
Cash | 1,011 | [1],[2] | 1,775 | [1],[3] | $ 790 | [4] | $ 655 | |||||||||
Insurance and reinsurance balances receivable | 8,532 | 5,323 | ||||||||||||||
Reinsurance recoverable on losses and loss expenses | 13,235 | 11,386 | ||||||||||||||
Reinsurance recoverable on policy benefits | 199 | 187 | ||||||||||||||
Value of business acquired | 381 | 395 | ||||||||||||||
Goodwill and other intangible assets | 22,923 | 5,683 | ||||||||||||||
Investments in subsidiaries | 0 | 0 | ||||||||||||||
Due from subsidiaries and affiliates, net | 0 | 0 | ||||||||||||||
Other assets | 14,076 | 11,306 | ||||||||||||||
Total assets | 160,203 | 102,306 | ||||||||||||||
Unpaid losses and loss expenses | 60,819 | 37,303 | ||||||||||||||
Unearned premiums | 15,229 | 8,439 | ||||||||||||||
Future policy benefits | 4,975 | 4,807 | ||||||||||||||
Due to subsidiaries and affiliates, net | 0 | 0 | ||||||||||||||
Repurchase Agreements | 1,405 | 1,404 | ||||||||||||||
Short-term debt | 500 | 0 | ||||||||||||||
Affiliated notional cash pooling programs | 0 | 0 | ||||||||||||||
Long-term debt | 12,631 | 9,389 | ||||||||||||||
Trust preferred securities | 308 | 307 | ||||||||||||||
Other liabilities | 17,110 | 11,522 | ||||||||||||||
Total liabilities | 112,977 | 73,171 | ||||||||||||||
Total shareholders' equity | 47,226 | 29,135 | 29,555 | |||||||||||||
Total liabilities and shareholders’ equity | 160,203 | 102,306 | ||||||||||||||
Consolidating Adjustments and Eliminations | ||||||||||||||||
Condensed Financial Statements, Captions [Line Items] | ||||||||||||||||
Investments | 0 | 0 | ||||||||||||||
Cash | (1,022) | [1],[2] | (971) | [1],[3] | (423) | [4] | (555) | |||||||||
Insurance and reinsurance balances receivable | (3,563) | (752) | ||||||||||||||
Reinsurance recoverable on losses and loss expenses | (9,836) | (8,738) | ||||||||||||||
Reinsurance recoverable on policy benefits | (986) | (942) | ||||||||||||||
Value of business acquired | 0 | 0 | ||||||||||||||
Goodwill and other intangible assets | 0 | 0 | ||||||||||||||
Investments in subsidiaries | (86,423) | (47,998) | ||||||||||||||
Due from subsidiaries and affiliates, net | (11,179) | (2,444) | ||||||||||||||
Other assets | (4,415) | (3,593) | ||||||||||||||
Total assets | (117,424) | (65,438) | ||||||||||||||
Unpaid losses and loss expenses | (9,207) | (8,187) | ||||||||||||||
Unearned premiums | (3,770) | (1,804) | ||||||||||||||
Future policy benefits | (986) | (942) | ||||||||||||||
Due to subsidiaries and affiliates, net | (11,179) | (2,444) | ||||||||||||||
Repurchase Agreements | 0 | 0 | ||||||||||||||
Short-term debt | 0 | |||||||||||||||
Affiliated notional cash pooling programs | (1,022) | [2] | (971) | [3] | ||||||||||||
Long-term debt | 0 | 0 | ||||||||||||||
Trust preferred securities | 0 | 0 | ||||||||||||||
Other liabilities | (4,837) | (3,092) | ||||||||||||||
Total liabilities | (31,001) | (17,440) | ||||||||||||||
Total shareholders' equity | (86,423) | (47,998) | ||||||||||||||
Total liabilities and shareholders’ equity | (117,424) | (65,438) | ||||||||||||||
Chubb Limited (Parent Guarantor) | ||||||||||||||||
Condensed Financial Statements, Captions [Line Items] | ||||||||||||||||
Investments | 27 | 28 | ||||||||||||||
Cash | 1 | [1],[2] | 1 | [1],[3] | 1 | [4] | 0 | |||||||||
Insurance and reinsurance balances receivable | 0 | 0 | ||||||||||||||
Reinsurance recoverable on losses and loss expenses | 0 | 0 | ||||||||||||||
Reinsurance recoverable on policy benefits | 0 | 0 | ||||||||||||||
Value of business acquired | 0 | 0 | ||||||||||||||
Goodwill and other intangible assets | 0 | 0 | ||||||||||||||
Investments in subsidiaries | 37,011 | 29,612 | ||||||||||||||
Due from subsidiaries and affiliates, net | 11,179 | 644 | ||||||||||||||
Other assets | 7 | 8 | ||||||||||||||
Total assets | 48,225 | 30,293 | ||||||||||||||
Unpaid losses and loss expenses | 0 | 0 | ||||||||||||||
Unearned premiums | 0 | 0 | ||||||||||||||
Future policy benefits | 0 | 0 | ||||||||||||||
Due to subsidiaries and affiliates, net | 0 | 0 | ||||||||||||||
Repurchase Agreements | 0 | 0 | ||||||||||||||
Short-term debt | 0 | |||||||||||||||
Affiliated notional cash pooling programs | 776 | [2] | 882 | [3] | ||||||||||||
Long-term debt | 0 | 0 | ||||||||||||||
Trust preferred securities | 0 | 0 | ||||||||||||||
Other liabilities | 223 | 276 | ||||||||||||||
Total liabilities | 999 | 1,158 | ||||||||||||||
Total shareholders' equity | 47,226 | 29,135 | ||||||||||||||
Total liabilities and shareholders’ equity | 48,225 | 30,293 | ||||||||||||||
Chubb INA Holdings Inc (Subsidiary Issuer) | ||||||||||||||||
Condensed Financial Statements, Captions [Line Items] | ||||||||||||||||
Investments | 618 | 7,839 | ||||||||||||||
Cash | 207 | [1],[2] | 2 | [1],[3] | 3 | [4] | 1 | |||||||||
Insurance and reinsurance balances receivable | 0 | 0 | ||||||||||||||
Reinsurance recoverable on losses and loss expenses | 0 | 0 | ||||||||||||||
Reinsurance recoverable on policy benefits | 0 | 0 | ||||||||||||||
Value of business acquired | 0 | 0 | ||||||||||||||
Goodwill and other intangible assets | 0 | 0 | ||||||||||||||
Investments in subsidiaries | 49,412 | 18,386 | ||||||||||||||
Due from subsidiaries and affiliates, net | 0 | 1,800 | ||||||||||||||
Other assets | 522 | 457 | ||||||||||||||
Total assets | 50,759 | 28,484 | ||||||||||||||
Unpaid losses and loss expenses | 0 | 0 | ||||||||||||||
Unearned premiums | 0 | 0 | ||||||||||||||
Future policy benefits | 0 | 0 | ||||||||||||||
Due to subsidiaries and affiliates, net | 11,036 | 0 | ||||||||||||||
Repurchase Agreements | 0 | 0 | ||||||||||||||
Short-term debt | 500 | |||||||||||||||
Affiliated notional cash pooling programs | 246 | [2] | 89 | [3] | ||||||||||||
Long-term debt | 12,620 | 9,378 | ||||||||||||||
Trust preferred securities | 308 | 307 | ||||||||||||||
Other liabilities | 1,608 | 1,422 | ||||||||||||||
Total liabilities | 26,318 | 11,196 | ||||||||||||||
Total shareholders' equity | 24,441 | 17,288 | ||||||||||||||
Total liabilities and shareholders’ equity | 50,759 | 28,484 | ||||||||||||||
Other Chubb Limited Subsidiaries | ||||||||||||||||
Condensed Financial Statements, Captions [Line Items] | ||||||||||||||||
Investments | 99,201 | 58,384 | ||||||||||||||
Cash | 1,825 | [1],[2] | 2,743 | [1],[3] | $ 1,209 | [4] | $ 1,209 | |||||||||
Insurance and reinsurance balances receivable | 12,095 | 6,075 | ||||||||||||||
Reinsurance recoverable on losses and loss expenses | 23,071 | 20,124 | ||||||||||||||
Reinsurance recoverable on policy benefits | 1,185 | 1,129 | ||||||||||||||
Value of business acquired | 381 | 395 | ||||||||||||||
Goodwill and other intangible assets | 22,923 | 5,683 | ||||||||||||||
Investments in subsidiaries | 0 | 0 | ||||||||||||||
Due from subsidiaries and affiliates, net | 0 | 0 | ||||||||||||||
Other assets | 17,962 | 14,434 | ||||||||||||||
Total assets | 178,643 | 108,967 | ||||||||||||||
Unpaid losses and loss expenses | 70,026 | 45,490 | ||||||||||||||
Unearned premiums | 18,999 | 10,243 | ||||||||||||||
Future policy benefits | 5,961 | 5,749 | ||||||||||||||
Due to subsidiaries and affiliates, net | 143 | 2,444 | ||||||||||||||
Repurchase Agreements | 1,405 | 1,404 | ||||||||||||||
Short-term debt | 0 | |||||||||||||||
Affiliated notional cash pooling programs | 0 | [2] | 0 | [3] | ||||||||||||
Long-term debt | 11 | 11 | ||||||||||||||
Trust preferred securities | 0 | 0 | ||||||||||||||
Other liabilities | 20,116 | 12,916 | ||||||||||||||
Total liabilities | 116,661 | 78,257 | ||||||||||||||
Total shareholders' equity | 61,982 | 30,710 | ||||||||||||||
Total liabilities and shareholders’ equity | $ 178,643 | $ 108,967 | ||||||||||||||
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