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Combined Earnings Per Share - Summary of Computation of Earnings Per Share (Detail) - EUR (€) € / shares in Units, € in Millions, shares in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	[1]
Combined EPS - Basic
Net profit attributable to shareholders' equity	€ 3,006	€ 3,031
Average number of combined share units (millions of units)	2,616.5	2,727.3
Combined EPS - basic	€ 1.15	€ 1.11
Combined EPS - Diluted
Net profit attributable to shareholders' equity	€ 3,006	€ 3,031
Adjusted average number of combined share units	2,625.6	2,737.3
Combined EPS - diluted	€ 1.14	€ 1.11
Underlying EPS
Net profit attributable to shareholder's equity	€ 3,006	€ 3,031
Post tax impact of non-underlying items attributable to shareholders' equity	336	287
Underlying profit attributable to shareholders' equity	€ 3,342	€ 3,318
Adjusted average number of combined share units (millions of units)	2,625.6	2,737.3
Underlying EPS - diluted	€ 1.27	€ 1.21
[1] Restated following adoption of IFRS 16. Refer note 1 and note 9.

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The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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