Particulars of Principal Subsidiaries and Equity Investees (Details)	Dec. 31, 2018	Dec. 31, 2017
Hutchison MediPharma Limited ("HMPL") \| PRC \| Equity interest attributable to group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	99.75%	99.75%
Hutchison Whampoa Sinopharm Pharmaceuticals (Shanghai) Company Limited \| PRC \| Equity interest attributable to group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	51.00%	51.00%
Hutchison Hain Organic (Hong Kong) Limited ("HHOL") \| Hong Kong \| Equity interest attributable to group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	50.00%	50.00%
Hutchison Hain Organic (Guangzhou) Limited ("HHOGZL") \| PRC \| Equity interest attributable to group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	50.00%	50.00%
Hutchison Healthcare Limited \| PRC \| Equity interest attributable to group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	100.00%	100.00%
Hutchison Consumer Products Limited \| Hong Kong \| Equity interest attributable to group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	100.00%	100.00%
Shanghai Hutchison Pharmaceuticals Limited ("SHPL") \| PRC \| Equity interest attributable to group
Subsidiary or Equity Method Investee
Equity investees	50.00%	50.00%
Hutchison Whampoa Guangzhou Baiyunshan Chinese Medicine Company Limited ("HBYS") \| Subsidiary 80% owned by the Group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	40.00%	40.00%
Equity interest attributable to subsidiaries (as a percent)	50.00%	50.00%
Hutchison Whampoa Guangzhou Baiyunshan Chinese Medicine Company Limited ("HBYS") \| PRC \| Equity interest attributable to group
Subsidiary or Equity Method Investee
Equity investees	40.00%	40.00%
Hutchison Whampoa Guangzhou Baiyunshan Chinese Medicine Company Limited ("HBYS") \| PRC \| Subsidiary 80% owned by the Group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	80.00%	80.00%
Nutrition Science Partners Limited ("NSPL") \| Subsidiary 99.75% owned by the Group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	49.88%	49.88%
Equity interest attributable to subsidiaries (as a percent)	50.00%	50.00%
Nutrition Science Partners Limited ("NSPL") \| Hong Kong \| Equity interest attributable to group
Subsidiary or Equity Method Investee
Equity investees	49.88%	49.88%
Nutrition Science Partners Limited ("NSPL") \| Hong Kong \| Subsidiary 99.75% owned by the Group
Subsidiary or Equity Method Investee
Equity interest attributable to the Group	99.75%	99.75%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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