Soliciting Material Soliciting Material Written Communications Written Communications Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Entity Listings, Exchange [Axis] Entity Listings, Exchange [Axis] Amendment Flag Amendment Flag Global Notes 3.95% due 2030 Global Notes 3.95% due 2030 [Member] Global Notes 3.95% due 2030 Entity Emerging Growth Company Entity Emerging Growth Company 0.4% Global Notes due 2024 Global Notes 0.4% due 2024 [Member] 0.4% Global Notes due 2024 [Member] Entity File Number Entity File Number Security Exchange Name Security Exchange Name 1.3% Global Notes due 2025 Global Notes 1.3% due 2025 [Member] 1.3% Global Notes due 2025 [Member] CHICAGO STOCK EXCHANGE, INC NYSE CHICAGO, INC. [Member] Entity Address, State or Province Entity Address, State or Province Entity Address, Address Line One Entity Address, Address Line One Global Notes 1.73% due 2031 Global Notes 1.73% due 2031 [Member] Global Notes 1.73% due 2031 City Area Code City Area Code Common Stock, $1.00 Per Value Common Stock, $1.00 Per Value [Member] Common Stock, $1.00 Per Value [Member] Cover page. Cover [Abstract] Entity Information [Line Items] Entity Information [Line Items] Document Period End Date Document Period End Date Exchange [Domain] Exchange [Domain] Pre-commencement Tender Offer Pre-commencement Tender Offer 1.3% Global Notes due 2029 Global Notes 1.3% due 2029 [Member] 1.3% Global Notes due 2029 [Member] Class of Stock [Axis] Class of Stock [Axis] Entity Central Index Key Entity Central Index Key Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Tax Identification Number Entity Tax Identification Number Entities [Table] Entities [Table] Entity Registrant Name Entity Registrant Name Trading Symbol Trading Symbol Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Title of 12(b) Security Title of 12(b) Security Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, City or Town Entity Address, City or Town NEW YORK STOCK EXCHANGE, INC. NEW YORK STOCK EXCHANGE, INC. [Member] Document Type Document Type