Document Type Document Type City Area Code City Area Code Amendment Flag Amendment Flag Entity Address, State or Province Entity Address, State or Province Soliciting Material Soliciting Material Document Period End Date Document Period End Date Entity Tax Identification Number Entity Tax Identification Number Pre-commencement Tender Offer Pre-commencement Tender Offer Entities [Table] Entities [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 0.800% Euro Notes due 2032 0.800% Notes due 2032 [Member] 0.800% Notes due 2032 Class of Stock [Domain] Class of Stock [Domain] 0.375% Euro Notes due 2021 Euro Notes Due 2021 Point Three Seven Five Percent [Member] Euro Notes Due 2021 Point Three Seven Five Percent [Member] Class of Stock [Axis] Class of Stock [Axis] Entity File Number Entity File Number Entity Central Index Key Entity Central Index Key Trading Symbol Trading Symbol 1.000% Euro Notes due 2025 Euro Notes Due 2025 One Percent [Member] Euro Notes Due 2025 One Percent [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Local Phone Number Local Phone Number Written Communications Written Communications Title of 12(b) Security Title of 12(b) Security Security Exchange Name Security Exchange Name Entity Address, City or Town Entity Address, City or Town Cover [Abstract] Cover [Abstract] Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Common Stock, par value $1.00 per share Common Class A [Member] Entity Address, Address Line One Entity Address, Address Line One Entity Emerging Growth Company Entity Emerging Growth Company Entity Registrant Name Entity Registrant Name Entity Information [Line Items] Entity Information [Line Items] 0.500% Euro Notes due 2028 0.500% Notes due 2028 [Member] 0.500% Notes due 2028