Debt - Components of Debt (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Commercial Paper	$ 631	$ 324
Long-term Debt, Gross	11,677	11,400
Less: Short term borrowings	(939)	(632)
Long-term debt	10,738	10,768
Proceeds from issuance of commercial paper (maturities after three months)	873
Repayments of Commercial Paper	$ 566
2023 Notes \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	3.30%
Credit facilities	$ 300	300
2024 Euro Notes \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	1.88%
Credit facilities	$ 554	565
2026 Euro Notes \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	1.93%
Credit facilities	$ 882	900
2028 Notes \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	4.57%
Credit facilities	$ 397	397
2047 Notes \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	4.44%
Credit facilities	$ 495	494
2048 Notes \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	5.12%
Credit facilities	$ 787	786
2024 Term Loan Facility(6) \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	1.56%
Credit facilities	$ 625	625
Bank overdrafts and other
Debt Instrument [Line Items]
Bank overdrafts and other	$ 8	7
Senior Notes, Due Two Thousand Twenty Two \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	0.69%
Senior Notes, Current	$ 300	300
Senior Notes, Due Two Thousand Twenty Five \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	1.22%
Credit facilities	$ 1,000	1,001
Senior Notes, Due Two Thousand Twenty Seven \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	1.56%
Credit facilities	$ 1,217	1,218
Senior Notes, Due Two Thousand Thirty \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	2.21%
Credit facilities	$ 1,510	1,511
Senior Notes, Due Two Thousand Forty \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	3.04%
Credit facilities	$ 774	775
Senior Notes, Due Two Thousand Fifty \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	3.21%
Credit facilities	$ 1,572	1,572
2026 Term Loan \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	1.94%
Credit facilities	$ 625	$ 625
Commercial Paper \| Loans payable
Debt Instrument [Line Items]
Effective Interest Rate	0.00%

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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