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Excludes payments associated with a discontinued operation or an asset retirement obligation.","units":{"GBP":[{"start":"2016-01-01","end":"2016-12-31","val":-37373000000,"accn":"0000930413-19-002179","fy":2018,"fp":"FY","form":"20-F","filed":"2019-07-31","frame":"CY2016"}]}}}}}