P&G share of net sales from each business unit
Procter & Gamble Percent sales by business units 2016-2018.

The following table shows the % share of net sales of P&G from each of its business units.
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Fabric care accounted for the highest share of net sales of P&G followed by Baby care, hair care and home care. Fabric care accounted for 22% of the net sales of P&G in 2018 followed by Baby care at 13%. Hair care and home care accounted for 10% each. Except for Baby care whose share in net sales of P&G declined by 1%, the share of the other three was flat for 2017 and 2018.
About Procter & Gamble:
Procter & Gamble was incorporated in Ohio in 1905. However, the original business upon which P&G was built was founded in 1837 by William Procter and James Gamble. P&G offers a large range of consumer packaged goods. Today, its products sell across more than 180 countries and territories. The company operates across five reportable segments that include Beauty; Grooming; Health Care; Fabric & Home Care and Baby, Feminine & Family Care. The largest segment among these is fabric and homeware followed by Baby, Feminine and Family Care. Its largest market is united States which accounts for 41% of its net sales. P&G also spends a large sum on Research and development as well as marketing every year. The brand has focused its business on 65 brands across 10 product categories.
Sources:
P&G Annual Reports.