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Schedule II (STATEMENTS OF CASH FLOWS - Parent Company Only) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |
Net cash flows used for investing activities |  | $ (2,935) |  | $ (2,422) |  | $ (5,322)
Dividends paid on Common Shares |  | (1,337) |  | (1,308) |  | (1,173)
Net proceeds from (payments to) affiliated notional cash pooling programs |  | 0 |  | 0 | [1] | 0
Cash and restricted cash – beginning of year |  | 728 | [2] | 985 |  |
Cash and restricted cash – end of year |  | 1,247 | [3] | 728 | [2] | 985
Chubb limited (Parent Guarantor) |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |
Net cash flows from operating activities | [4] | 256 |  | 781 |  | 3,618
Capital contributions to subsidiaries |  | (1,475) |  | 0 |  | (2,330)
Net cash flows used for investing activities |  | (1,475) |  | 0 |  | (2,330)
Dividends paid on Common Shares |  | (1,337) |  | (1,308) |  | (1,173)
Payments To From Affiliates |  | 2,519 |  | 892 |  | 404
Net proceeds from (payments to) affiliated notional cash pooling programs | [5] | 35 |  | (363) |  | (519)
Net cash flows (used for) from financing activities |  | 1,217 |  | (779) |  | (1,288)
Net increase (decrease) in cash and restricted cash |  | (2) |  | 2 |  | 0
Cash and restricted cash – beginning of year |  | 3 | [2] | 1 |  | 1
Cash and restricted cash – end of year |  | 1 | [3] | 3 | [2] | 1
Cash dividend paid by Affiliates |  | $ 75 |  | $ 450 |  | $ 3,400
[1] | Chubb maintains two notional multi-currency cash pools (Pools) with a third-party bank. Refer to Note 1 f) for additional information. At December 31, 2017 and 2016, the cash balance of one or more entities was negative; however, the overall Pool balances were positive.
[2] | Chubb maintains two notional multicurrency cash pools (Pools) with a third-party bank. Refer to Note 1 f) for additional information. At December 31, 2017, the cash balance of one or more entities was negative; however, the overall Pool balances were positive.
[3] | Chubb maintains two notional multicurrency cash pools (Pools) with a third-party bank. Refer to Note 1 f) for additional information. At December 31, 2018, the cash balance of one or more entities was negative; however, the overall Pool balances were positive.
[4] | Includes cash dividends received from subsidiaries of $75 million, $450 million, and $3.4 billion in 2018, 2017, and 2016, respectively.
[5] | Chubb maintains two notional multicurrency cash pools (Pools) with a third-party bank. Refer to Note 1 f) for additional information.

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