label,2023,2022,2021,concept,level,abstract,units,decimals
Accounting Policies [Abstract],,,,us-gaap_AccountingPoliciesAbstract,0,True,,
Shares used in computation of basic earnings per share,10304000000,10189000000,10117000000,us-gaap_WeightedAverageNumberOfSharesOutstandingBasic,1,False,shares,-6
Total dilutive effect of outstanding stock awards,188000000,0,179000000,us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements,1,False,shares,-6
Shares used in computation of diluted earnings per share,10492000000,10189000000,10296000000,us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding,1,False,shares,-6