{
 "summary": {
  "total": 286,
  "failed": 0,
  "warnings": 6
 },
 "families": [
  {
   "family": "calendar",
   "title": "Fiscal calendar",
   "description": "Fiscal years last 350 to 380 days, and each starts on the day after the one before.",
   "severity": "error",
   "total": 13,
   "failed": 0,
   "warnings": 0,
   "failures": []
  },
  {
   "family": "coverage",
   "title": "Coverage",
   "description": "The latest fiscal year gives total assets and a profit figure.",
   "severity": "error",
   "total": 2,
   "failed": 0,
   "warnings": 0,
   "failures": []
  },
  {
   "family": "balance",
   "title": "Balance sheet identity",
   "description": "Total assets equal total liabilities and equity at each balance sheet date.",
   "severity": "error",
   "total": 7,
   "failed": 0,
   "warnings": 0,
   "failures": []
  },
  {
   "family": "per_share",
   "title": "Earnings per share",
   "description": "Profit divided by earnings per share gives a number of shares in line with the other years.",
   "severity": "warning",
   "total": 7,
   "failed": 0,
   "warnings": 0,
   "failures": []
  },
  {
   "family": "cross_check",
   "title": "Agreement with the 20-F",
   "description": "Each figure equals the figure of the annual report on Form 20-F that the company files with the SEC for the same fiscal year. A figure that differs is withheld.",
   "severity": "warning",
   "total": 253,
   "failed": 0,
   "warnings": 2,
   "failures": [
    {
     "text": "Finance costs, FY2020: £1,745m against £1,795m",
     "severity": "warning"
    },
    {
     "text": "Finance costs, FY2021: £1,486m against £1,521m",
     "severity": "warning"
    }
   ]
  },
  {
   "family": "withheld",
   "title": "Withheld values",
   "description": "A value that contradicts the definition of its item, or that documents report in contradiction, is withheld.",
   "severity": "warning",
   "total": 4,
   "failed": 0,
   "warnings": 4,
   "failures": [
    {
     "text": "Depreciation and amortisation, FY2020: withheld, the document gives it as a wider line",
     "severity": "warning"
    },
    {
     "text": "Depreciation and amortisation, FY2021: withheld, the document gives it as a wider line",
     "severity": "warning"
    },
    {
     "text": "Finance costs, FY2020: withheld, another official report of the company gives it differently",
     "severity": "warning"
    },
    {
     "text": "Finance costs, FY2021: withheld, another official report of the company gives it differently",
     "severity": "warning"
    }
   ]
  }
 ]
}