Common Stock, without par value Common Stock [Member] Entity Tax Identification Number Entity Tax Identification Number Capital Unit, Class [Domain] Capital Unit, Class [Domain] Entity File Number Entity File Number Cover [Abstract] Cover [Abstract] Title of 12(b) Security Title of 12(b) Security Entities [Table] Entities [Table] Local Phone Number Local Phone Number Soliciting Material Soliciting Material Entity Address, Address Line One Entity Address, Address Line One Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Entity Address, State or Province Entity Address, State or Province Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 0.835% Notes due 2032 Zero Point Five Two Four Percent Notes Due 2032 [Member] Zero Point Five Two Four Percent Notes Due 2032 0.524% Notes due 2028 Zero Point Five Two Four Percent Notes Due 2028 [Member] Zero Point Five Two Four Percent Notes Due 2028 Written Communications Written Communications Entity Information [Line Items] Entity Information [Line Items] Trading Symbol Trading Symbol City Area Code City Area Code Document Period End Date Document Period End Date Amendment Flag Amendment Flag Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Address, City or Town Entity Address, City or Town Security Exchange Name Security Exchange Name Document Type Document Type Pre-commencement Tender Offer Pre-commencement Tender Offer 1.408% Notes due 2039 One Point Four Zero Eight Percent Notes Due 2039 [Member] One Point Four Zero Eight Percent Notes Due 2039 Entity Central Index Key Entity Central Index Key Entity Emerging Growth Company Entity Emerging Growth Company Capital Units by Class [Axis] Capital Units by Class [Axis]