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Goodwill - Additional Information (Detail) $ in Billions | 6 Months Ended
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Jun. 30, 2020 USD ($)
Goodwill [Line Items] |
Percentage difference between fair value and carrying value in respect of goodwill | 15.00%
International Markets [Member] |
Goodwill [Line Items] |
Decrease in estimated difference between fair value and carrying value, percent | 43.00%
Europe [Member] |
Goodwill [Line Items] |
Decrease in estimated difference between fair value and carrying value, percent | 34.00%
North America [Member] |
Goodwill [Line Items] |
Decrease in estimated difference between fair value and carrying value, percent | 20.00%
Terminal Value Percentage Increase Or Decrease Threshold | 1.61%
Increase Or Decrease In The Discount Rate In Percentage Terms Threshold Limits | 10.31%
North America [Member] | Maximum [Member] |
Goodwill [Line Items] |
Terminal Value Percentage Increase Or Decrease Threshold | 1.11%
Increase Or Decrease In The Discount Rate In Percentage Terms Threshold Limits | 10.81%
Goodwill impairment | $ 1.1
North America [Member] | Minimum [Member] |
Goodwill [Line Items] |
Terminal Value Percentage Increase Or Decrease Threshold | 0.50%
Increase Or Decrease In The Discount Rate In Percentage Terms Threshold Limits | 0.50%
Percentage difference between fair value and carrying value in respect of goodwill | 13.00%
Medis [Member] |
Goodwill [Line Items] |
Decrease in estimated difference between fair value and carrying value, percent | 147.00%
TAPI [Member] |
Goodwill [Line Items] |
Decrease in estimated difference between fair value and carrying value, percent | 30.00%

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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266 + Details
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