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Cash and cash equivalents (Tables) | 6 Months Ended
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Jun. 30, 2018
Cash and Cash Equivalents [Abstract] |
Cash and cash equivalents |
(In $ millions) |  | June 30, 2018 |  |  | December 31, 2017 |
Cash and cash equivalents |  |  | 809 |  |  |  | 1,255 |
Restricted cash(1) |  |  | 409 |  |  |  | 104 |
Total |  |  | 1,218 |  |  |  | 1,359 |
(1) | Restricted cash consists of bank deposits which have been pledged as collateral for certain guarantees issued by a bank or minimum deposits which must be maintained in accordance with contractual arrangements. Restricted cash amounts with maturities longer than one year are classified as non-current assets.

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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