v3.22.4
Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2022
Fair Value Disclosures [Abstract]  
Schedule of fair value, assets and liabilities measured on recurring basis
The following tables provide information by level for assets and liabilities that are measured at fair value on a recurring basis.
Fair Value atFair Value Measurements Using Inputs Considered as
Level 1Level 2Level 3
Description (Millions)20222021202220212022202120222021
Assets:
Available-for-sale:
Marketable securities:
Commercial paper$213 $109 $ $— $213 $109 $ $— 
Certificates of deposit/time deposits 21 14  — 21 14  — 
U.S. treasury securities  75  75  —  — 
U.S. municipal securities 27 30  —  — 27 30 
Derivative instruments — assets:
Foreign currency forward/option contracts 217 119  — 217 119  — 
Liabilities:
Derivative instruments — liabilities:
Foreign currency forward/option contracts 40 24  — 40 24  — 
Interest rate contracts102 — — 102 — — 
Schedule of fair value, assets measured on recurring basis, unobservable input reconciliation
The following table provides a reconciliation of the beginning and ending balances of items measured at fair value on a recurring basis in the table above that used significant unobservable inputs (level 3).
Marketable securities — certain U.S. municipal securities only
(Millions)202220212020
Beginning balance$30 $34 $46 
Total gains or losses:
Included in earnings — — 
Included in other comprehensive income — — 
Purchases and issuances — 10 
Sales and settlements(3)(4)(22)
Transfers in and/or out of level 3 — — 
Ending balance$27 $30 $34 
Change in unrealized gains or losses for the period included in earnings for securities held at the end of the reporting period — — 
Schedule of fair value of financial instruments by balance sheet grouping Information with respect to the carrying amounts and estimated fair values of these financial instruments follow:
20222021
(Millions)Carrying ValueFair ValueCarrying ValueFair Value
Long-term debt, excluding current portion$14,001 $12,484 $16,056 $17,601