XML 140 R98.htm IDEA: XBRL DOCUMENT v3.19.1
Income Tax - Summary of Income Tax Reconciliation Using Composite Statutory Income Tax Rate Applicable by Tax Jurisdiction (Parenthetical) (Detail) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2020
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of tax reconciliation using composite statutory income tax rate applicable by tax jurisdictions [line Items]          
Income tax rate     24.10% 31.90% 24.90%
Change in tax rate       € (11) € (6)
United States [member]          
Disclosure of tax reconciliation using composite statutory income tax rate applicable by tax jurisdictions [line Items]          
Income tax rate     26.00% 40.00% 40.00%
Change in tax rate       € (16)  
France [member]          
Disclosure of tax reconciliation using composite statutory income tax rate applicable by tax jurisdictions [line Items]          
Income tax rate     34.43% 39.20% 34.43%
France [member] | Changes in tax rates or tax laws enacted or announced [member]          
Disclosure of tax reconciliation using composite statutory income tax rate applicable by tax jurisdictions [line Items]          
Income tax rate 25.82% 28.92%