Cover page [Abstract] Cover page [Abstract] Entities [Table] Entities [Table] Entity Listings, Exchange [Axis] Entity Listings, Exchange [Axis] Exchange [Domain] Exchange [Domain] New York Stock Exchange NEW YORK STOCK EXCHANGE, INC. [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 0.400% Senior Notes due 2021 Point Four Zero Percent Euro Senior Notes Due January 2021 [Member] Point Four Zero Percent Euro Senior Notes Due January 2021 [Member] 1.700% Senior Notes due 2022 One Point Seven Percent GBP Senior Notes Due June 2022 [Member] One Point Seven Percent GBP Senior Notes Due June 2022 [Member] 1.100% Senior Notes due 2024 One Point One Percent Euro Senior Notes Due July 2024 [Member] One Point One Percent Euro Senior Notes Due July 2024 [Member] Floating Rate Senior Notes due 2021 Senior Euro Floating Rate Notes due May, 2021 [Member] Senior Euro Floating Rate Notes due May, 2021 [Member] 0.125% Senior Notes due 2021 Point One two Five Percent Euro Senior Notes Due May 2021 [Member] Point One two Five Percent Euro Senior Notes Due May 2021 [Member] 0.750% Senior Notes due 2023 Point Seven Five Percent Euro Senior Notes Due 2023 [Member] Point Seven Five Percent Euro Senior Notes Due 2023 [Member] 1.500% Senior Notes due 2027 One Point Five Percent Euro Senior Notes Due May 2027 [Member] One Point Five Percent Euro Senior Notes Due May 2027 [Member] 2.000% Senior Notes due 2030 Two Point Zero Percent Euro Senior Notes Due May 2030 [Member] Two Point Zero Percent Euro Senior Notes Due May 2030 [Member] 2.950% Senior Notes due 2039 Two Point Nine Five Percent Euro Senior Notes Due May 2039 [Member] Two Point Nine Five Percent Euro Senior Notes Due May 2039 [Member] 2.602% Senior Notes due 2025 Two Point Six Zero Two Percent Sterling Senior Notes Due May 2025 [Member] Two Point Six Two Percent Sterling Senior Notes Due May 2025 [Member] 3.360% Senior Notes due 2031 Three Point Three Six Percent Sterling Senior Notes Due May 2031 [Member] Three Point Three Six Percent Sterling Senior Notes Due May 2031 [Member] Entity Information Entity Information [Line Items] Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Entity Tax Identification Number Entity Tax Identification Number Entity File Number Entity File Number Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Registrant Name Entity Registrant Name Entity Address, Street Entity Address, Address Line One Entity Address, City Entity Address, City or Town Entity Address, State Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Written Communications Written Communications Soliciting Material Soliciting Material Pre-commencement Tender Offer Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Title of each class Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Emerging Growth Company Entity Emerging Growth Company Amendment Flag Amendment Flag